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400-0522-002
9
TROUBLESHOOTING GUIDE 8
We have carefully tested and found no problems in
the supplied DA103-217; however, we would like to
offer suggestions for the following:
8.1 LED IS NOT RED
The LED should be ON and RED when power is
applied and there is no video signal present. If
the LED is ON and GREEN, the unit is receiving
power and a SYNC signal.
Cause 1: No AC power.
Solution: Verify the adapter is plugged into a
working AC outlet and that the outlet
has power.
Cause 2: Adapter is not plugged into
DA103-217.
Solution: Verify the DC power plug coming
from the AC adapter is plugged all
the way into the DA103-217.
Cause 3: The DA103-217 has a problem.
Solution: If there is AC power to the adapter
and the LED still does not turn on,
call ALTINEX at (714) 990-2300.
8.2 LED IS NOT GREEN
Cause 1: There is no power.
Solution: Disconnect the video input from the
DA103-217 and verify the LED is
ON and RED indicating power is
present. Reconnect the computer's
video output. If the LED is still not
GREEN see Cause 2.
Cause 2: There is no sync signal.
Solution: Verify the computer output is
operating correctly by connecting it
directly to the local monitor. If the
display is good, call ALTINEX at
(714) 990-2300.
8.3 NO REMOTE IMAGE
Cause 1: The source has a problem.
Solution: Check the image on the local
monitor and verify the quality is
good. If the local image is good, see
Cause 2.
Cause 2: Cable connections are incorrect.
Solution: Make sure that cables are
connected properly. Also, make sure
that the continuity and wiring are
good. If there is still no image
present, see Cause 3.
Cause 3: Video equalization required.
Solution: Adjust the EQ potentiometer on the
DA103-217.
In general, cable runs less then 50 ft
(15 m) require little or no video
equalization and should be set to
minimum to start. Cable runs up to
250 ft (76 m) will require maximum
equalization.
8.4 REMOTE IMAGE QUALITY IS POOR
Cause 1: The source has a problem.
Solution: Check the image on the local
monitor and verify the quality is
good. If the local image is good, see
Cause 2.
Cause 2 Poor signal transmission.
Solution: Check the cables for continuity and
make sure that connections are
wired properly to verify that there is
good signal transmission. If the
image is still not correct, call
ALTINEX at (714) 990-2300.
Cause 3: Video equalization required.
Solution: Slowly adjust the EQ, GAIN, and
SYNC ADJ potentiometers on the
DA103-217 while viewing the
display. If the image still cannot be
set correctly, call ALTINEX at
(714) 990-2300.