VarTech Systems VT420 Series, User Manual

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Troubleshooting
Before calling service personnel, please check the following chart for a possible cause to the trouble you are
experiencing.
Perform the adjustments according to page 13 “ Operation The Monitor ”
Refer to the following items if you can’t find a proper item listed in the Operating the Monitor or if the problem remain.
if the problem you have experienced isn’t described below or you can’t correct the problem, stop using the monitor
and call service personnel or your dealer.
Problem Check these things
No Display Ensure the power plug is installed correctly on both ends.
Check the main power switch is set to “—“
Check that source equipment is operating correctly.
Check the input signal is compatible with this display.
The image is not centered Check the input signal is compatible with this display.
The image is not locked correctly Check the input signal is compatible with this display.
The remote control doesn’t work Make sure the batteries fresh and are installed correctly.
Ensure the remote is aimed at the IR sensor on the front of the display
The picture color looks poor Check the picture settings.
Reset the display.
If you are using YUV terminals, make sure cables are correctly connected.
Compliance
FCC Compliance Statement:
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his own expense.
Warning
This is class A products. In a domestic environment this product may
Cause radio interference in which case the user may be required to take adequate
measures.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions : (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.
CE
EN 55022
 、
EN 61000-3-2
、
EN-61000-3-3

EN 55024
、
IEC61000-4

EN 60950 [Low-Voltage Directive (73/23/EEC)]
VT420 Series www.vartechsystems.com