5 - 6
ADJUSTMENT
TRANSCEIVER’S
CONDITION
OPERATION
ADJUSTMENT
ITEM
VALUE
RX SENSITIVITY
(Band low)
1
NOTE:
When "RX SENSITIVITY" is re-adjusted, "S-METER" must be re-adjusted too.
• Frequency : 136.020 MHz
• Receiving
• Connect an SSG to the antenna
connector and set it as;
Frequency
:
136.020 MHz
Level
†
: 0 dBµ (–107 dBm)
Modulation : 1 kHz
Deviation
: ±3.5 kHz
Push
[ENT]
(Automatic
adjustment)
(Band center)
2
• Frequency : 155.020 MHz
• Receiving
• Set the SSG as;
Frequency
:
155.020 MHz
(Band high)
3
• Frequency : 173.980 MHz
• Receiving
• Set the SSG as;
Frequency
:
173.980 MHz
SQUELCH
(Wide mode)
1
• Frequency : 146.020 MHz
• Receiving
• Connect a 50
Ω
terminator to the
antenna connector.
or
• Connect an SSG to the antenna
connector and apply no signal.
Push
[ENT]
(Automatic
adjustment)
(Narrow mode)
2
• Receiving
S-METER
1
NOTE:
When "RX SENSITIVITY" must be adjusted before "S-METER." And when "RX SENSITIVITY"
is re-adjusted, "S-METER" must be re-adjusted too.
• Frequency : 146.020 MHz
• Receiving
• Connect an SSG to the antenna
connector and set it as;
Frequency
:
146.020 MHz
Level
†
: –9 dBµ (–116 dBm)
Deviation
:
None
Push
[ENT]
(Automatic
adjustment)
†
; The output level of the standard signal generator (SSG) is indicated as the SSG’s terminated (50
Ω
) circuit.
5-4 RECEIVE ADJUSTMENTS
1) Select an adjustment item using [
Y
]/[
Z
].
2) Set or modify the adjustment value as specifi ed using
[DIAL]
, then push
[ENT]
.
¤
CONNECTION
STANDARD SIGNAL GENERATOR
(0.1–300 MHz)
CAUTION:
NEVER
transmit while
an SSG is connected
to the antenna connector.
