Extron-electronics TP T Series Transmitters User Guide Instrukcja Użytkownika Strona 25
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TP T Series Transmitters • Installation and Operation
PRELIMINARY
a
Power/signal LED —
Amber: Indicates that power is applied, but that the transmitter is not
connected to a receiver.
Green: Indicates that the transmitter is properly connected to a receiver.
b
ID bit switches (TP T 15HD A and TP T 15HD AV) — If a local monitor
is installed, set both of these DIP switches to Off. If a local monitor is not
installed, set both switches to On.
c
H. Shift (TP T 15HD A) and PC H. Shift (TP T 15HD AV) controls — These
front panel controls are 12-turn potentiometers with a soft mechanical stop
at the high or low end. When you have reached the high or low end of the
adjustment, the potentiometer makes a clicking sound as you turn it, and the
display indicates no further changes.
d
DSPP switch — This rear panel DIP switch turns on Digital Display Sync
Processing, disabling sync processing for LCD projectors and other displays
that cannot handle processed sync.
N
DDSP disables the horizontal shift control.
Troubleshooting
If the image does not appear
1. Check the transmitter’s and receiver’s front panel Power LEDs to ensure that
all devices are receiving power.
2. Ensure that the transmitter is receiving a video input.
3. Ensure that the TP cable(s) are properly terminated in accordance with
TIA/EIA T 568A standards and that the RJ-45 connections are securely made.
The Power LEDs on both devices light green when a transmitter is properly
connected to a receiver.
4. For computer/RGB video, ensure that the receiver’s SOG and C Sync switches
are in the correct positions for the video output.
5. For computer video, ensure that the transmitter’s ID bit switches are set to
On.
6. For computer video on an LCD projector, ensure that the transmitter’s DDSP
switch is set to On.
7. For component video, ensure that the input signal is bi-level sync and not
tri-level.
8. The transmission distance may be too far for remote power. Try connecting
the local 15 VDC power supply to the transmitter.
9. The transmission distance may be too short. Ensure that the UTP cable is at
least 25 feet (7.6 m) long.
10. If the Manual/Auto switch is in the manual position, ensure that the
receiver’s level controls are not set too high. Too much level and peaking can
cause display problems.
11. For computer video from a laptop or for ungrounded AC distribution
systems, the transmitter may need to be grounded. See “Grounding the
transmitter,” earlier in this chapter.
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