Uniden UH-052XR - Manual (Page 19)

➤ BUSY CHANNEL LOCK-OUT(BCL)
This feature prevents accidental transmission on a busy channel.
This is recommended on channels where CTCSS is being used. If the
channel is “active” and the signal is coming from a non or different
CTCSS code user the BCL feature will prevent you from transmitting.
To activate BCL
Press and hold [BCL] for 1.5 secs until
“BCL” appears on display.
To De-activate BCL
Press and hold [BCL] for 1.5 secs. until
“BCL” disappears from the display.
➤ MONITOR
This feature enables users to listen in for
weak signals on the current channel at the
press of a button.
To use monitor,
• For brief listening, press [MON]
• For continuous listening. Press and
hold [MON] for 2 sec. A two tone beep
will be heard and the receiver circuit
will stay open letting in both the noise
& weak signals.
• Display shows MON and BUSY icons.
• To return to normal receive mode
press [MON] , [PTT] [
▲
] or [
▼
] .
BCL VOX
CTCSS
OS/GS
16