Software Adjustments - Icom IC-F14 Service Manual

SOFTWARE ADJUSTMENTS (RECEIVING)
• Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
RX 1 • Operating CH
SENSITIVITY • Connect a standard signal generator to
[BPF T1], the antenna connector and set as:
[BPF T2] Frequency
Level
Modulation
Deviation
• Receiving
CONVENIENT:
The BPF T1, BPF T2 can be adjusted automatically.
1-1: Set the cursor to "BPF ALL" on the adjustment program and then push [ENTER] key.
1-2: The connected PC tunes BPF T1, BPF T2 to peak levels.
2-1: Set the cursor to one of BPF T1, T2 as desired.
2-2: Push [ENTER] key to start tuning.
2-3: Repeat 2-1 and 2-2 to perform additional BPF tuning.
• Operating CH : CH7 (*CH1)
SQUELCH 1
LEVEL
• Connect an SSG to the antenna connector
[SQL]
and set as:
Frequency
Level
Modulation
Deviation
• Receiving
*For F14S/F15S adjustment.
ADJUSTMENT CONDITION
: CH9
: 136.000 MHz
: 10 µV (–87 dBm)
: 1 kHz
: ±3.5 kHz
or
: 155.000MHz
:0.18 µV (–122 dBm)
: 1 kHz
: ±3.5 kHz
MEASUREMENT
UNIT LOCATION
Side Connect a SINAD meter with
an 8 Ω load to the [SP] jack
pannel
through the JIG cable.
Side Connect a speaker to the [SP]
jack through the JIG cable
panel
5 - 6
VALUE
Minimum distortion
level
Set "SQL level" to
close squelch.
Then set "SQL level"
at the point where
the audio signals
just appears.