Icom IC-M85

4-5
4-3 RECEIVE ADJUSTMENT
Select an adjustment item by pushing [↑]/[↓]/[←]/[→] on the PC's keyboard.1.
Set or modify the adjustment value as specified using [Space]/[BackSpace] on the PC's keyboard.2.
ADJUSTMENT
TRANSCEIVER'S
CONDITION
OPER ATION
ADJUSTMENT
ITEM
VALUE
RX SENSITIVITY
NOTE: When the "RX SENSITIVITY" is re-adjusted, the "RSSI" must be re-adjusted too.
1 Channel: 6•
Receiving•
Connect the test equipment to the
antenna connector and set it to:
Frequency: 155 MHz
Level
†
: 10 dBμ (–97 dBm)
Modulation: 1 kHz
Deviation: ±3.0 kHz
[BPF ALL]
(Automatic
adjustment)
SqUELCH
(threshold)
1 Channel: 7•
Receiving•
Set the test equipment to:
Level
†
: –13 dBμ (–120 dBm)
[SqL
(threshold)]
(Automatic
adjustment)
(tight)
2 Set the test equipment to:
Level
†
: –4 dBμ (–111 dBm)
[SqL (tight)]
RSSI
NOTE: The "RX SENSITIVITY" must be adjusted before adjusting the "RSSI."
If the "RX SENSITIVITY" is re-adjusted, "RSSI" must be re-adjusted too.
1 Channel: 8•
Receiving•
Set the test equipment to:
Level
†
: 0 dBμ (–107 dBm)
[RSSI]
(Automatic
adjustment)
WX ALERT
DECODER*
1 Channel: 9•
Receiving•
Set the weather alert function ON in •
the Menu.
Set the test equipment to:•
Frequency: 163.275 MHz
Level
†
: 30 dBμ (–77 dBm)
Modulation: 1.05 kHz
Deviation: ±3.0 kHz
– Verify that the
transceiver
emits weather
alert beeps,
and "ALT" icon
blinks on the
LCD.
†
The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.
*For only [USA], [EXP], and [AUS] versions.