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