Receive Adjustment - Icom IC-F3061T Servise Manual

6-4 RECEIVE ADJUSTMENT

Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC's keyboard.
ADJUSTMENT ADJUSTMENT CONDITION
RECEIVE NOTE:
"RECEIVE SENSITIVITY" must be adjusted before "S-METER." Otherwise, "S-METER" will not be
SENSITIVITY
adjusted properly.
[BPF C ALL]
1 • Channel
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
S-METER 1 • Channel
[RSSI]
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
2 • Set the SSG as;
Level
• Receiving
SQUELCH 1 • Channel
[SQL]
• Close the squelch by adjusting the value of
[SQL] item on the adjustment software's
screen.
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
†;
The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
UNIT
: CH 20
connec-
: 136.100 MHz
†
: +20 dBµ (–87 dBm)
: 1 kHz
: ±3.5 kHz
: CH 20 Push the [ENTER] key on the connected PC's keyboard to set
"S3" level.
: 136.100 MHz
†
: +23 dBµ (–84 dBm)
: 1 kHz
: ±3.5 kHz
Push the [ENTER] key on the connected PC's keyboard to set
†
: –7dBµ (–114 dBm) "S1" level.
: CH 20 External
speaker
: 136.100 MHz
†
: –14 dBµ (–121 dBm)
: 1 kHz
: ±3.5 kHz
6 - 7
MEASUREMENT
LOCATION
Multi Connect the SINAD meter
with an 8 Ω load to the JIG
tor
cable.
Connect an 8 Ω speaker to
the JIG cable.
VALUE
Minimum distortion
level
Set the [SQL] value to
close squelch. Then
set [SQL] value at the
point where the audio
signals just appear.