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5-4 RECEIVE ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION CONNECTION
VALUE
RECEIVE
SENSITIVITY
1 • Channel : CH16 (156.800 MHz)
• [SQUELCH] : Open
(Max. counterclockwise)
• Connect an external speaker to the [EXT SP]
lead receptacle.
• Connect an SSG to the antenna connector
and set as;
Frequency : 156.800 MHz
Level : 0 dBu
†
(−107 dBm)
Modulation : 1 kHz
Deviation : ±3.0 kHz
• Receiving
1) Connect a DC voltmeter
to the check
point ‘RSSI.’
2) Adjust in sequence L6, L7, L8 and L9.
(Repeate the adjustment at least
twice.)
Maximum
voltage
• ADJUST&CHECK POINTS LOCATION (RECEIVE)
L6
L7
L8
L9
“RSSI”
RECEIVE SENSITIVITY
CHECK POINT
RECEIVE SENSITIVITY
ADJUSTMENT POINTS
†;
The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.
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