Receive Adjustment - Icom IC-F5220D Service Manual

6-4 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
RX SENSITIVITY 1 NOTE: When "RX SENSITIVITY" is re-adjusted, "S-METER" must be re-adjusted too.
• Channel
• Receiving
S-METER 1 NOTE: When "RX SENSITIVITY" must be adjusted before "S-METER." And when "RX SENSITIVITY"
(S3 level setting)
• Channel
• Receiving
(S1 level setting) 2 • Channel
• Receiving
SQUELCH 1 NOTE: When "RX SENSITIVITY" must be adjusted before "SQUELCH." And when "RX SENSITIVITY"
• Channel
• Receiving
†
; The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit (emf).
CONDITION
: 1-24 1) Set the SSG to the antenna connector
and set it as;
Frequency
Level
Modulation
Deviation
2) Put the cursor on the adjustment item,
then push [ENTER].
is re-adjusted, "S-METER" must be re-adjusted too.
: 1-25 • Connect the SSG to the antenna connetor
and set as;
Frequency
Level
Modulation
Deviation
: 1-26 1) Set the SSG to the antenna connector
and set it as;
Level
2) Put the cursor on the adjustment item,
then push [ENTER].
is re-adjusted, "SQUELCH" must be re-adjusted too.
: 1-27 1) Set the SSG to the antenna connector
and set it as;
Frequency
Level
Modulation
Deviation
2) Once close the squelch by increasing [SQL]
value, then decrease the value to open the
squelch.
OPERATION
: 136.000 MHz
†
: +20 dBµ (–87 dBm)
: 1 kHz
: ±1.5 kHz
: 136.000 MHz
†
: +23 dBµ (–84 dBm)
: 1 kHz
: ±1.5 kHz
†
: –7 dBµ (–114 dBm)
: 174.000 MHz
†
: –14 dBµ (–121 dBm)
: 1 kHz
: ±1.5 kHz
6 - 7
ADJUSTMENT
VALUE
ITEM
Push
[ENTER].
[BPF C ALL]
Push
[ENTER].
[RSSI S3 Level]
[RSSI S1 Level]
Push
[ENTER].
[SQL]