12
WIR TX75 Two-Channel Infrared Transmitter
MAN 166C
WIR TX75 Indicator lights
INDICATOR
ON UNIT
STATE
DESCRIPTION
Power Indicator – Green
(round or rectangle)
Master or Slave
On steady
Unit is powered and actively transmitting
Fade-on, Fade-off… (continuous)
Unit is powered and in sleep/power-save mode (no audio signal
detected, unit is not transmitting)
Fast blink (continuous)
Self test has detected an internal failure on this unit
Audio Level Indicators – Yellow
round (ch1 or ch2)
Master
Blinking periodically
Audio is present on this channel and is set to the optimum level
On steady (or most of the time)
Audio is present on this channel but the level is too high
Off
Audio is not present OR audio level is too low on this channel
Slave Status Indicator – Yellow
(rectangle)
Master or Slave
On steady
Carrier signal is being sent to this slave
Off
No carrier signal is being sent to this slave
Fast blink (continuous)
Self test has detected a CAT-5e cable failure between the master
and this slave unit
All indicators Master or Slave
On for 2 seconds, Off for 1
second, resumes normal states
Initial power-on sequence OR unit has reset
On for 2 seconds, Off for 1
second… (continuous)
Unit is continuously resetting - may be due to a low voltage supply
condition (In Master: bad power supply. In Slave: bad CAT-5e cable
or CAT-5e cable is too long)
NOTE: The indicator lights can all be turned off AFTER initial set-up to allow for less conspicuous operation.
Mounting Options
BKT 024 - Universal wall / ceiling mount (included)
MLB 003 - Linking Bar - 2 1/2” bar with 1/4” - 20 threaded male connectors on both ends (optional), for stacking master and
slave together.
The TX75 can be mounted on any camera tripod stands with a 1/4” - 20 threaded connector.
The TX75 and TX75-S can be operated with or without the faceplate, if desired. The faceplate can be removed and painted to
match room decor. Lightly sand faceplate with 400 grit sandpaper apply primer and two coats of final color.
Do not paint the
infrared lens behind the faceplate of the TX75.
Accessories
MIC 027 Hand-held unidirectional microphone
MIC 090 Lavaliere microphone
MIC 100 Rear-wear headset microphone
PLE 078 SIL - Silver Faceplate (included)
PLE 078 WHT - White Faceplate (optional)
WCA 078 - 3’ Stereo RCA cable
WCA 096 - 12” CAT-5e cable for connection to slave emitter (optional)
WCA 091 - 25’ CAT-5e cable for connection to slave emitter (optional)
