JRC JHS-207, Instruction Manual

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11.5 Squelch adjustment
Function: Display screen:
Squelch adjustment
The squelch bar appears on the screen display indicating the
current active sensitivity level. When adjusted fully to the left,
the squelch is completely open. Adjusting to the right lowers
the receiver sensitivity.
The signal strength of the current channel appears on the
bar below the squelch bar. If the received signal is strong
enough, the squelch opens and voice is received. This is
indicated by the Rx symbol.
When the squelch control is pressed twice, it opens the
squelch immediately. Press twice again to recall the
previous squelch setting.
11.5.1. Press and turn the squelch control anti-clockwise to increase receiver sensitivity.
When the receiver signal is too distorted (by radio noise) to be
readable, the loudspeaker or speaker mic is automatically muted. This
is indicated by the Noise Cancel (NC) symbol that appears in the
display.