5 - 4
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.
