Receive Adjustment - Icom IC-F4101D Service Manual

5-4 RECEIVE ADJUSTMENTS
1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
RECEIVE NOTE: "RECEIVE SENSITIVITY" must be adjusted before "S-METER." Otherwise, "S-METER" will not beadjusted
SENSITIVITY
1 • Channel
• Receiving
S-METER NOTE: When "RECEIVE SENSITIVITY" is re-adjusted, "S-METER" must be also re-adjusted.
1 • Channel
• Receiving
2
SQUELCH NOTE: When "RECEIVE SENSITIVITY" is re-adjusted, "SQUELCH" must be also re-adjusted.
1 • Channel
• Receiving
†
; The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
*: For all models except [USA]. **: For [USA]
CONDITION
properly. When "RECEIVE SENSITIVITY" is re-adjusted, "S-METER" must be also re-adjusted.
: 1-27* • Connect an SSG to the antenna connec-
1-28** tor and set it as;
Frequency
Level
Modulation : 1 kHz
Deviation
: 1-29* • Connect an SSG to the antenna connec-
1-30** tor and set it as;
Frequency
Level
Modulation : 1 kHz
Deviation
• Set the SSG as;
Level
: 1-31* 1) Connect an SSG to the antenna con-
1-32** nector and set it as;
Frequency
Level
Modulation : 1 kHz
Deviation
2) Once close the squelch by increasing the
[SQL] value, and then decrease the value
to open the squelch.
OPERATION
: 400 MHz [400 MHz band]
350 MHz [350 MHz band]
†
: +20 dBµ (–87 dBm)
: ±3.0 kHz*
±1.5 kHz**
: 400 MHz [400 MHz band]
350 MHz [350 MHz band]
†
: +23 dBµ (–84 dBm)
: ±3.0 kHz*
±1.5 kHz**
†
: –7 dBµ (–114 dBm)
: 400 MHz [400 MHz band]
350 MHz [350 MHz band]
†
: –14 dBµ (–121 dBm)
: ±3.0 kHz*
±1.5 kHz**
5 - 7
ADJUSTMENT
VALUE
ITEM
Push [ENTER]
(Automatic
adjustment)
[BPF C ALL]
Push [ENTER]
(Automatic
adjustment)
[RSSI S3 Level]
[RSSI S1 Level]
Squelch opens
(Push [ENTER]
to store the
value)
[SQL]