SENRUN UPL83-F/UR-818F - Manual (Page 3)

1. External antenna jack: 1/4” for antenna input jack.
2. Power indicator: The red light indicator will be flash once when turn it
on. The red light indicator will be solid red when the batteries are
almost out of power.
3. 3.5 mmØ mcirophone input jack for transmitter and earphone input jack
for receiver.
4. Volume Control: Adjusted by turning clockwise to the volume adjust-
ment knob.
5. Power switch: Power on / Power off.
6. Buckle is fixed with a screw so that is can conveniently clip on the belt
comfortably.
7. Buckle is fixed on the unit. It can set revolved up to 90° by fingers.
8. Channel selector: Channel 1- 16. To set up channel properly and match
up to belt pack transmitter and receiver.
9. Battery chamber cover: To put batteries in and take out from this
chamber cover.
10. Battery compartment: AA x 2(UM-3. Align the negative or positive
polarities properly.
When inserting the batteries. Remove the batteries when not been used
for a long period of time to keep the batteries life longer.
Options: Headset or Lavaliere microphone.
Receiver Transmitter