Preh Touch Commander and
Preh Screen Commander
User Manual and Technical Data
MC15T5
i. Model with multimedia base
LC-Display (15”)
with touch interface
or monitor glass
swinging direction
loudspeaker
ON/OFF switch
Pict. 1: front view
serial connector RS 232
(touch controller)
Pict. 2: rear view
supply voltage connector
(main power)
MSR PS/2 Cable
VGA connector
audio cable
Pict. 3: bottom view
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ii. Model with VESA bracketry for pole or wall mount
LC-Display (15”) with
touch surface or
monitor glass
MSR PS/2
VGA connector
(15 pol.)
Power Supply
(jack bush)
serial connector RS 232
(Touch Controller)
Loud speaker
Audio In
Menu/Left
Menu/
Right
+ Plus
On/Off
- Minus
Pict. 4: front view
Bracketry
Threaded bushings
(M5)
Pict. 5: rear view II (bracketry)
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iii. Model number define:
MC15T5xxM3Myy
LCD Size
LCD-Type
(TFT)
15”
15
T5
Partner Tech Corp.
Touch-
technology
System
Resistive(Both GS and CB)
Only Protective Glass(for CB only)
Multimedia
R
G
" "
A
Wallmount
MSR
Speaker
Color
TK 1+2+3
Speaker
White
Black
M3
M
W
S
Accessories
VGA-cable
a
VGA-cable & RS232-cable
power supply + GM power cord
Ext. power supply + IEC320 (3P)
Cleaning-set
GM power cord
power supply + UK power cord
power supply + US power cord
b
GM
d
" "
" "
UK
US
1) Multimedia type, 15” LCD monitor, MC15T5xM3Myy (x=R (Resistive type
for GS, CB), x=G (glass type for CB only); yy=A-Z, 0-9 or blank for
marketing purposes)
2) Wallmount type, 15” LCD monitor, Models MC15T5xAM3Myy (x=R
(Resistaive type for GS, CB), X=G (for CB only), yy=0-9, A-Z or blank
for marketing purposes) .
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1. General Points
The Preh Touch Commander serves as graphical input device which makes the screen of
the computer react immediately on touching graphical operating characters (symbols,
keys, printings etc.). In this way the touchscreen allows simple, interactive handling of a
computer even for the PC-inexperienced user. For example this input media offers the
possibility of reducing training time and costs for the operating staff via a comfortable
user's dialogue. With its ergonomic design and its comfort in handling the Preh Touch
Commander is applicable in the fields of medicine, commerce, gastronomy, fast-food as
well in the restaurants and hotel business.
The Preh Touch Commander consists of two logical units, the active matrix color LCD
(TFT) and the highly sensitive touch sensor. These two units must be considered different
from each other in regard to their function. This means that the appearance of the picture
on the LCD (screen) is to be considered independent of the touch drivers. As far as the
computer is concerned the system is connected with the VGA output (LCD) as well as with
a serial interface (touching function).
The Touch Commander can thus take over the function of monitor and mouse. A
standard mouse can be used along with the Touch Commander. Both a standard
mouse and the Touch Censor will control the position of the cursor on the screen.
The Preh Screen Commander is without a touch surface. Instead of a touch sensor, you
will have an anti-reflective, protective glass. In this case you do not have a touch function
on the screen. You will have a high quality TFT monitor.
The active matrix Color LCD (TFT) has a diagonal of 15" (381 mm) with a resolution of
1024x768 pixels as well as 262,144 colors. The display has an especially high degree of
brightness (typ.250 cd/m²) and color brilliancy. The LCD parameters as for example
brightness, contrast, picture position etc. are adjustable via the On Screen Display (OSD).
The analog resistive 5 wire touch technology has a resolution of 1,024x1,024 points.
Inputting data is done by touching it e.g. with a finger. The activation force necessary to
register a touch is 1N. The touch surface consists of a hardened polyester foil with a high
resistance against scratches and an insensitivity to dirt, oil and water splashes. The
durability of the touch sensor is 35 million single actuation per touching point.
Multimedia models allow the possibility of giving the user audio feedback via sounds and
tones. The volume can be adjusted by a rotary control on the rear side of the base.
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The Preh Touch / Screen Commander can also be used with optional VESA bracketry for
wall mount hardware.
Pict. 6: Example for adjustable
Wall mount solution
2. Contents of packing
Prior to operating your Preh Touch / Screen Commander, please check whether the
following parts are included and are in undamaged condition:
1 Preh Touch Commander or Preh Screen Commander
1 CD-Rom with touch driver for the operating systems DOS, Windows 3,1x/9x/NT/2000
XP and OS/2.
1 Operator's Manual
1 VGA cable
1 serial cable (not included with Screen Commander)
1 power cable
1 audio cable (only included with multimedia version)
1 power adapter LEIN CHANG model:LCA01F or CHI SAM model:CH-1024(only included
with wall mount version)
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3. Installation of Touchscreen
Please read the following instructions prior to starting to use the Preh Touch / Screen
Commander!
The following steps are necessary for a correct function of the device:
1 Adjust your computer for the proper video resolution [1024x768 / 60 Hz] and switch it
off, connect Touch / Screen Commander, switch on computer and Touch / Screen
Commander (see chapter 3.2). If you are asked for confirming the new hardware
"standard monitor", confirm according to display instructions.
2 Adjust the video display on the Touch Commander/Screen Commander for graphic
card in the computer by means of menu point "AUTO TUNING" of the OSD. This step
is important for the best quality of representation (see chapters 3.3).
3 Only Touch Commander:
Installation of touchscreen driver for the corresponding operating system (see chapter
4).
The Touch Commander / Screen Commander with VESA mount bracket must be operated
with the supplied original power supply.
3.1 Operating Conditions for the System
The Preh Touch Commander / Screen Commander has been developed for the use with
PC graphic adapters in SVGA-setting with 1024x768 pixels of resolution. As an operating
system it is necessary to have either a DOS version 3.3 (or higher), Windows 3.1x,
Windows 9x, Windows NT, Windows 2000 Windows XP or OS/2.
For multimedia models a sound card with "Line Out" outputs for generating sounds is
necessary in addition.
3.2 Cable Installation and System Settings
The installation of the cables must be done with the computer switched off. Set the
correct screen resolution first. The optimum resolution is 1024x768 pixels and the refresh
rate 60 Hz.
To begin connect the VGA cable and the RS232 cable as well as the audio cable (see
pict. 3). Then plug in the AC power cable to the socket (see pict. 3).
If you now switch on the computer, the LED lights up green after about 3 seconds and the
corresponding picture appears on the screen. If the computer is in suspend or standby
mode the LED is red. If the SVGA cable between Touch / Screen Commander and
computer is disconnected, or that the computer power is switched off, the LED lights up
red.
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3.3 On Screen Display (OSD)
For setting the LC Display you find 5 buttons on the front of the housing (see pict. 10).
2
3
6
5
4
1
Pict. 7: Description of the buttons for perating the On Screen Display.
1. Power Switch
Pressing this button turns the display system power on or off.
When the power switch are switch on, this LED lights in green.
The LED indicates the different power status with altered LED colors when monitor
operates in different modes
2. Power LED
This LED indicates different states when this unit operates in different modes.
3. + Plus
This button is used to adjust the increasing value of the selected OSD control option.
4. - Minus
This button is used to adjust the decreasing value of the selected OSD control option.
5. Menu/Select Right
Pressing this button pops up the OSD menus on the screen, and used to select ("Down"
direction) the OSD control options on the screen.
6. Menu/Select Left
Pressing this button pops up the OSD menus on the screen, and used to select ("Up"
direction) the OSD control options on the screen.
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3.3.1 OSD Control
The LCD monitor can easily adjust the features of displayed image and the buttons in the
front of the LCD monitor can do the adjustments. When using these controls, OSD menu
will display the changed on the screen.
OSD MENU
- AUTOTUNE
Press menu/Left or menu/Right call menu then press „+“ to make LCD monitor adjust the
related parameters automatically for optional display status.
Important note to menu point AUTO TUNING
Most video cards differ in regard to their video signals output. For this reason, the MC15
series monitor may need to be readjusted after connecting it to a computer. The factory
setting of the monitor is set to produce the best results with a variety of industry standard
video cards.
To get the best picture quality, under Windows it would be best to use the Shutdown screen
when activating the AUTOTUNE menu option. By doing this, the display tries to find the
display mode.
The PHASE option may also be used to manually fine tune the picture clarity after
AUTOTUNE has been done.
In some cases when using a notebook computer, it might be necessary to deactivate the
internal display of the notebook on order to obtain a good picture quality.
- BRIGHTNESS
Adjust the brightness using + and - button.
Brightness
+ 50
-
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- CONTRAST
Adjust the contrast using + and - button.
Contrast
+ 50
-
- CLOCK
Adjust the clock using + and - button.
Clock
+ 50
-
- PHASE
Adjust the phase using + and - button.
Phase
+ 50
-
- H-POSITION (HORIZONTAL POSITION)
Pressing + moves the display image to the right; Pressing - moves the display image to the
left.
H-Position
+ 50
-
- V-POSTION (VERTICAL POSITION)
Pressing + moves the display image to the upware; Pressing - moves the display image to
the downware.
V-Position
+ 50
-
- OSD H-POSITION (OSD HORIZONTAL POSITION)
Pressing + moves the OSD image to the right; Pressing - moves the OSD image to the
left.
OSD H-Position
+ 50
-
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- OSD V-POSITION (OSD VERTICAL POSITION)
Pressing + moves the OSD image to the upware; Pressing - moves the OSD image to the
downware.
OSD V-Position
+ 50
-
- VOLUME
Adjust the volume using + and - button.
Volume
+ 50
-
- RED COLOR
Adjust the values of red color gain using + and - button.
Red Color
+ 50
-
- GREEN COLOR
Adjust the values of green color gain using + and - button.
Green Color
+ 50
-
- BLUE COLOR
Adjust the values of blue color gain using + and - button.
Blue Color
+ 50
-
- EXIT AND SAVE
Pressing the + button to save changed value and exit.
Exit And Save
+ Yes
- No
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- FACTORY RESET
Press the + button to restore Volume, OSD V-Position, OSD H-Position, V-Position, H-
Position, Phase, Brightness, Clock to factory default.
Factory Reset
+ Yes
- No
3.4 Mechanical Adjustment of the LCD Position
The LCD position on a VESA Mount Preh Touch / Screen Commander cannot be changed
directly at the Product. The adjustment (tilting or swinging) of the Touch Screen
Commander depends on the pole or wall mount hardware used.
The LCD of the Preh Touch / Screen Commander is swingable and tillable. According to
the usage the LCD position can be changed.
The below picture shows the model with the multimedia base.
Pict. 8: adjusting screws on rear side
The infinitely variable adjustment of the tilting force can be made with two adjusting screws
located on the rear of the monitor. The adjustment torque (1 - 8 Nm) should be about the
same on both screws.
Pict. 9: adjusting screws below
The infinitely variable adjustment of the swinging force can be made with two adjusting
screws in the base of the monitor. The adjustment torque (1 - 8 Nm) should be about the
same on both screws.
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Note: On changing the housing position you should be careful to not get your fingers too
near to the opening on the rear side of the housing as they might get pinched there.
4. Driver Installation
Important Note:
A new calibration is always necessary if another touchscreen was connected to the
computer or if the screen resolution was changed. This means that the calibration between
touchscreen and computer is adjusted to the mechanical features of the particular
touchscreen which was connected to the computer at that time.
A serial Touch Controller is integrated into the Touch Commander. The default setting is
9600 Bps. Normally this is clearly recognized by the setup programs. If, however, it is not
clearly recognized, the adjustment can be done manually or by restarting the
corresponding setup program.
Information for the driver installation is in the file:
D:\TOUCH\MC15\TouchKit\Document\TouchKit Manual v3.1.4.pdf
You can find detailed information in the path, named with your operating system. (The CD-
ROM drive of your Tocuh-CD is here defined with the letter „D“).
5. Care
Before cleaning, switch off the power supply. A soft cloth moistened with a mild cleaning
agent can be used for cleaning the housing. For cleaning the screen it is better to use a
soft paper towel moistened with a mild household cleaning agent. For cleaning the surface
do not apply the cleaning liquid directly but use a moistened paper towel. Please avoid
getting liquid into the housing.
6. Troubleshooting
6.1 General Points
Attention:
The Preh Touch / Screen Commander does not contain any electronic components that
can be replaced or repaired by the user. Consequently you should not try to do your own
repair work. Moreover, you would lose all warranty claims for this product. Activating the
touch sensor surface must not be done with a sharp object, such as credit card, long finger
nails, ring, etc. Sharp or pointed objects will cause damage to the touch sensor and are
not covered under warranty
If the Touch/Screen Commander must be returned for service, it must be packed in it's
original packing material. If this is not done, the sender will be made responsible for
possible transport damage.
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6.2 Troubleshooting list
A lot of malfunctions can be traced back to incorrect or loose cable connection. So
please make sure that all plug connections are correct and secured.
Fault
Possible cause
Remark
LED on Touch / Screen
Commander remains dark order
voltage supply not in
check plug-in connection of power
supply
computer switched off switch on the computer
LED on Touch / Screen
Commander lights up red
and no picture appears
The display shows only
part of the picture or the
picture is distorted
VGA cable is not
correctly connected
check cable connection of VGA
connection
choice of display
resolution is wrong
display adjustment
insufficient
check for correct display resolution
it should be 1024x768 or less
see notice to adjustment of in
chapter 3.3
LCD shows indistinct
vertical stripes
display ("HORIZONTAL set horizontal size of picture in
SIZE") is insufficiently menu IMAGE POSITION of
set
LCD shows fine horizontal display ("PHASE") is
stripes not correctly adjusted
OSD(see chapter 3.3.2)
adjust PHASE in menu BASIC-
SETTINGS of OSD (see chapter
3.3.1)
Touch cannot be calibrated cable connection
check serial connection, restart
computer
under the operating
systems of Windows,
button "calibrate" is
deactivated
incorrect
Vertical streaks in LCD
image
Display “Clock” or
“Horizontal Position”
improperly set
Set horizontal position and size of
picture in menu “H-Position”and
“Clock” of OSD (see chapter 3.3.2)
Calibrating program states touchscreen driver not Set the driver again with SETUP or
error when called up
correctly installed
with button setup in the calibrating
program. Here the serial connection
should be correctly entered and the
correct controller should be
selected. Check the serial cable
connection
6.3 Additional help
If you have problems with the connection and the installation of the Preh Touch / Screen
Commander, please contact your dealer.
You can contact Preh Technical Support at:
Germany /world wide:
Email:
Fax:
+49 (9771) 92-152
USA/America:
Email:
Fax:
+1 847-438-4053
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7. Technical Data
7.1 Product Specification
Configuration
LCD Display
Display Size
Pixel Pitch
Max. Resolution
Contrast Ratio
Brightness
MC15T5XXM3MX
15” TFT active matrix panel
304(H)x228(V) mm
0.297(H)x0.297(V) mm
XGA 1024x768
350:1
250 cd/m2
Response Time
Display Color
6/17 ms
262,144
Viewing Angle
L/R
60∘ ~ 60∘
40∘ ~ 60∘
39∘ +/- 3∘
40∘ +/- 3∘
U/D
Swivelling
Tilt
PC Interface
Display Mode
Video
Sync.
RGB analog 0.7V peak to peak
TTL positive or negative
VGA 640x400 (60/70 HZ)
VGA 640x480 (60/72/75 HZ)
VGA 720x400 (70 HZ)
SVGA 800x600 (60/70/72/75 HZ)
XGA 1024x768 (60/70/72/75 HZ)
D-sub 15 pin
Signal Connector
Front Control
OSD
Menu, Left, Power on/off with LED, Right, Select
AutoTun, Brightness, Contrast, Color, Phase, H-POS, V-
POS, OSD H-Pos, OSD V-Pos, Volume, Red Color, Blue
Color, Green Color, Exit, Reset
DDC1/2B compatible
Plug & Play
Speaker
Power
Active Speaker
Input: AC 110-240 Volts, 47 – 63 Hz,
Output: DC 12V/4A
Operating
Conditions
Temperature
0℃ - 40℃ (32℉ - 104℉)
20%~ 85%
Humidity
Storage
Conditions
Temperature
-10℃ - 60℃ (-4℉ - 140℉)
Humidity
5%~ 85%
Life of background illumination
Base Type
Touch Screen
Magnetic Stripe Reader
Certification
* Specifications are subject to change without notice.
typ.40,000 h
Multimedia / Wall Mount
Option / RS232 Interface
Option / Three tracks
UL,CUL, FCC, TUV/GS, CE
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7.2 Electronics:
Following specifications are for the multimedia model only:
Line voltage:
Power consumption
100-240 AC, 47-63 Hz, 0.6A
max. 20 W
Following values are valid for the model VESA mount bracketry only:
Operating Voltage:
Ripple:
Power Consumption
12 V ± 5% (100-240VAC, 47-63Hz, 2.2A)
< 120 mV
max. 30W
The values in brackets are for the power supply delivered with the Touch / Screen
Commander.
The Touch Commander / Screen Commander with VESA mount bracketry must be
operated with the supplied original power supply or with power supplies which are
approved by Preh.
For use only with power Adapter:
Vender1: LIEN CHANG Model: LCA01F
I/P: 100-240 Vac, 47-63 Hz
O/P: 12VDC/4.16A
Vender2: CHI SAM Model: CH-1204
I/P: 100-240 Vac, 47-63 Hz, 1A
O/P: 12VDC/4.00A
7.3 Touch:
Interface:
RS232, Mouse Emulation under DOS, Windows 3 x,
Windows 9x, NT, 2000, XP, Linux and OS/2
5-wire resistive
max. 2048*2048
hardcoated polyester foil
75%
Technology:
Resolution:
Surface:
Transmission:
Durability
35 million actuation
7.4 Touch Controller
Controller:
Power Requirement:
Winbond W78E52F-24
5V/100mA
Operating Temperature: 0 to 50℃
Storage Temperature:
-40℃ to 80℃
Relative Humidity:
95% at 60℃
Interface:
RS232
Protocol:
No parity, 8 data bit, 1 stop bit, 9600 baud (N, 8, 1, 9600)
Report rate:
Response time:
Max. 160 points/sec
Max. 35ms
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7.5 MSR (Option)
Interface:
Track:
Decode:
PS/2 key.
Three Tracks
KB Interface.
Right Side scan.
Scan direction:
Power Supply:
5V DC ±5%
Power consumption:
Durability:
Card Spec:
Less than 20mA
500,000 cycle.
ISO7811
Reading Track Width:
Card Feeding Speed:
1.5mm
10 ~ 120 cm/sec(4-50inch/sec)
7.6 Audio
Amplifier Controller:
Output:
TDA7496L
2W/Ch.
Power:
Control Method:
Frequency:
12V/25mA
PWM Adjust.
20 ~ 20KHz
7.7 ESD and EMC compliance
CE-sign (see also Statement of confirmation)
Radiated Emissions: EN55022, class B
FCC part 15, class B
Susceptibility
Compliance:
1. electrostatic discharge according to EN 61000-4-2
(hardness air +,-8KV and contact +,- 4KV)
2. high frequency electromagnetic fields EN 61000-4-3
(hardness Modulation 3 V/m),
3. fast transient/burst immunity electrical interference
features according to EN 61000-4.4 (Criteria B:
hardness 1 kV for AC power)
4. Surge immunity test according to EN 61000-4-5
(Criteria B)
5. Immunity for conductive disturbance test according
to EN61000-4-6(Criteria B: level is 3V Modulation)
6. power frequency magnetic field test EN 61000-4-8
(Criteria B: 1A/m)
7. voltage dips , short interrupt and voltage variation
immunity EN 61000-4-11(Criteria B)
8. power harmonics test EN 61000-3-2(Criteria A:<=75W)
9. voltage fluctuation test EN 61000-3-3
7.8 Durability of mechanical bearing parts
Tilting and swinging
1.000 cycles typical
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7.9 Environmental conditions
Operating amibent temperature:
Storing temperature:
Relative humidity of air:
Air pressure:
0°C...50°C
-20°C...60°C
10%...90% (at max. 35°C)
700hPa...1060hPa
8. Safety issues
Please read these instructions carefully before connecting the unit to any AC-mains and
keep the instructions also for later use.
The multimedia type is belong to Class I type and the wall mount type is belong to Class III
type for power consuming configuration.
First check the power values of your AC-mains with the datas of this device, before
connecting to any wall-plug socket.
Place the unit as close as possible to your wall-plug socket and make sure, that the mains
connector is easily accessable. Make also sure, that there are no other equipments placed
on the cable and also that it’s placed in a way, that nobody can fell over it. If the unit is not
in use for a longer period, it should be disconnected from mains.
Protect the device from any liquids and high humidity. Do not operate the unit outdoors.
Unplug the device from the wall-plug socket immediately and have it checked by a
qualified Service person in case:
• the mains cable or connector is being damaged
• liquids have been penetrated into the device
• the device has been exposed to the elements (dampness/rain)
• the device does not operate as to the operating instructions
• the device has been dropped and / or shows outside damages (i.e. cabinet)
• the device shows markable performance of deffects
Do not open the device on your own as there is dangerious voltage inside. Apply to the
Service or your dealer for any repair issues.
Do not drink liquid crystal leaking from the LCD in case of a damage. If such leakage
touches your skin, clean it by water & soap, immediately.
The working place related sound pressure level (DIN 45 645) of the device is less
then70dB(A)
It it only permitted to use tested / certified power cables H03VV-F.3G, 0.75 and / or better
ones.
The maximum environment temperature is 40 degrees Celsius
GS and ISO 9241-7 for class III certified Screens will meet its classification under the
following conditions:
• the operation of the screen complies to suitable working place illumination
environment
• the screen shall not be placed in front of a window or direct light
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9. Further Information
All Preh products are subject to a continuous process of improvement. For this reason we
reserve the rights of technical modifications.
We point out that inadequate handling, storage, influence and/or modification can cause
disturbances and damage in usage.
In case you modify our products in any way we do not assume warranty and liability unless
you have an explicit release in writing for your specific case.
This applies especially to unprofessional repair and maintenance jobs.
Any claims for damages against the Preh works – no matter for which legal reason – are
excluded if no intention and gross negligence can be proved. Above limitation do not apply
to claims for damages out of the product liability law.
This Operator's Manual is exclusively valid for the product Preh Touch / Screen
Commander supplied with it.
10. Warranty
Preh guarantees that all products supplied are free from production and material faults.
The period of warranty is two years and begins with the date of delivery.
Otherwise the general sales conditions of the Preh company are valid.
11. Statement of Confirmation
This is to certify that statements of confirmation are available for all different versions of
the Preh Touch / Screen Commander.
You can request a copy from Preh stating the exact type description (see type label on the
bottom of the device).
Preh KeyTec GmbH
An der Stadthalle
D-97616 Bad Neustadt an der Saale
Fax: +49 (9771) 92-105
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12. FCC Warning Statement
Note: This equipment has been tested and to comply with the limits for Class B or Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment on and off, the
user is encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Shielded interface cables must be used in order to comply with the emission limits.
Caution:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Copyright
© Copyright Preh KeyTec GmbH 2004
Published from Preh KeyTec GmbH
All rights reserved. Reproduction in any manner, in whole or in part, is strictly prohibited without the written permissin of Preh KeyTec
GmbH. The Information in this document is subject to change without prior notification for the sake of improving reability, design and
function.
Trademarks
All brand and product names are trademarks or registered trademarks of their respective companies.
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