
13
1. Channel selection switch
The receiver operates on 2.3 MHz and/or 2.8 MHz frequency. Select between 2.3 MHz
and 2.8 MHz for mono, or ”S” for both 2.3/2.8 MHz stereo operation.
2. Lanyard clip
Attach the lanyard to wear the unit around your neck – recommended for best
performance (free field).
3. Squelch/off switch
Slide the switch to activate/deactivate the squelch function. When activated, the
receiver audio output will be muted whenever the signal from the transmitter/emitter
is turned off, or if the level is too weak to be received.
4. Micro USB charging port
Connect a micro USB cable to charge the internal battery. Charging time for a full
charge is approximately 4 hours.
5. Charging LED
Indicates red during battery charging. Switches off automatically when the battery is
fully charged.
6. Power on/off LED
Indicates green when the receiver is on. the receiver’s ”On/Off” switch is located
internally. The unit is automatically turned on when a 3.5 mm plug is inserted into the
output jack (9), and switched off once it is removed.
7. 3.5 mm output jack
Connect Univox® NL-90 neck induction loop to supplement personal hearing aids
with a telecoil or T-switch setting. EM-101 single sided earphone or EM-201 stereo
headphones can also be used.
8. Volume control wheel
Adjust the listening level by rotating the volume thumb wheel.
9. Belt clip
Secure the unit on your pocket or clothes. The unit operates optimally when there is a
free line of sight to the transmitter.
IRR-1
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