Controls, Indicators and operation
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English
4.
EMG Indicator
This red color LED indicator is lighted when one of the pre-programmed Emergency Channels has beel selected.
5.
ANL Indicator
This red color LED indicator is lighted when the ANL (Automatic Noise Limiter) function is enabled.
6.
RB Indicator
This red color LED indicator is lighted when the Roger Beep function is enabled.
7.
LED Display
The large size 3-digit LED display indicates the operating channel and the programmed frequency band ID code.
8.
TX Indicator
This red colour LED indicator lights up when radio is in transmit mode.
9.
RX Indicator
This red colour LED indicator lights up when radio is in receive mode.
10.
Built-in Speaker
Built-in front speaker.
11.
UP (Up) Key
This key allows to select the operating channel upward. By keeping this key pressed, the quick channel selection mode
will be enabled.
12.
DN (Down) Key
This key allows to select the operating channel downward. By keeping this key pressed, the quick channel selection
mode will be enabled.
13.
AS/SQUELCH Control
SQUELCH CONTROL (SQUELCH manual adjustment)
The SQUELCH control allows to silent the receiver by cutting the background noise, when no signals are received. Turn
the knob clockwise until the background noise is cut. Turn the knob counter clockwise (SQUELCH opening) in order to
listen to the weakest signals.
AS CONTROL (SQUELCH fixed setting)
The AS function allows to automatically silent the receiver, avoding the SQUELCH manual adjustment. A fixed
SQUELCH threshold is factory pre-set. To enable the fixed SQUELCH function, turn the knob fully counter clockwise to
the AS position, until a click noise is heard.
14.
RB Key
Press the RB (14) Key to enable the Roger Beep function (automatic beep tone at the end of each transmission).
15.
OFF/VOLUME control
This knob switches the radio ON and OFF and it adjusts the volume control. If no signals are being received on the
operating channel, it is suggested to open the SQUELCH and adjust the volume to the desired level while listening to the
background noise.
Summary of Contents for M-150 Plus
Page 21: ...Note 19 Italiano ...
Page 23: ...VCO Diagram II ...
Page 24: ...PCB Main Board Front Board III M 150 PLUS M 760 PLUS ...
Page 25: ...PCB Main Board Front Board IV M 150 PLUS M 760 PLUS ...
Page 26: ...Diagram V ...
Page 27: ...Diagram VI ...
Page 28: ...Block Diagram VII ...
Page 29: ...Block Diagram VIII ...
Page 30: ...Notes ...
Page 31: ...Notes ...
Page 32: ......