Shure BLX4R User Manual page 6

① Transmitter Battery LED
◦ Green = Runtime greater than 1 hour
◦ Red = Runtime less than 1 hour
② LCD Display
Displays receiver and transmitter settings.
③ group Button
◦ Scan: push and release group button to scan for an open group and channel
◦ Manual: push and hold group button to select a group.
④ channel Button
◦ Scan: push and release channel button to scan for an open channel
◦ Manual: push and hold channel button to select a channel.
⑤ Power Button
Powers the receiver on/off.
⑥ Antenna Jack B
BNC connector for antenna B.
⑦ DC Power Jack
For DC external power supply (12 to 15 V DC).
⑧ Strain-relief loop for power cord
Secures power cord to receiver.
⑨ Mic Out XLR audio output jack
Supplies microphone-level audio output.
⑩ INST Out audio output jack
Supplies instrument-level audio signal.
⑪ Volume Control
Use a screwdriver to adjust the output level.
⑫ Antenna Jack A
BNC connector for antenna A.
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