Receive Adjustment - Icom IC-F4011 Service Manual

5-4 RECEIVE ADJUSTMENT

1) Select an adjustment item using cursor or [↑] / [↓] of the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←] / [→] of the PC's keyboard, then push [ENTER].
ADJUSTMENT ADJUSTMENT CONDITION
RECEIVE 1 • Connect an SSG to the ant-
SENSITIVITY enna connector.
-Preparation-
-Adjustment- 2 • Channel
• Receiving
CONVINIENT: [BPF (T1)] and [BPF (T2)] can be adjusted at the same time as below.
2 • Channel
• Receiving
SQUELCH 1 • Connect an SSG to the ant-
-Preparation- enna connector.
-Adjustment- 2 • Channel
• Receiving
†
; The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
OPERATION
• Set the SSG as;
Frequency
Level
Modulation
Deviation
: CH.12 1) Select the [BPF (T1)] item, then
push [ENTER].
2) Select the [BPF (T2)] item, then
push [ENTER].
: CH.12 • Select the [BPF ALL] item, then
push [ENTER].
• Set the SSG as;
Frequency
Level
Modulation
Deviation
: CH.12 1) O n c e c l o s e t h e s q u e l c h b y
increasing the value of [SQL] item,
then decrease the value to open
the squelch.
2) Push [ENTER] to store the value.
5 - 6
ADJUSTMENT
: 400.1000 MHz
[Low band]
450.1000 MHz
[High band]
†
: +20 dBµ (–87 dBm)
: 1 kHz
: 3.5 kHz
[BPF (T1)]
[BPF (T2)]
[BPF ALL]
: 400.1000 MHz
[Low band]
450.1000 MHz
[High band]
†
: –14 dBµ (–121 dBm)
: 1 kHz
: 3.5 kHz
VALUE
ITEM
– –
(Automatic
adjustment)
(Automatic
adjustment)
– –
(Automatic
[SQL]
adjustment)