Software Adjustment - Icom IC-F510 Service Manual

SOFTWARE ADJUSTMENT (RECEIVING)
• Select an operation using [↑] / [↓]keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard.
• Need to adjust "S-METER ADJUSTMENT" after "RX SENSITIVITY ADJUSTMENT" is adjusted.
Otherwise , "S-METER ADJUSTMENT" will not be adjusted properly.
ADJUSTMENT
RX 1 • Operating CH
SENSITIVITY
• Connect an SSG to the antenna connector
[BPF T1]–
and set as:
[BPF T4]
Frequency
Level
Modulation
Deviation
• Receiving
CONVENIENT:
The BPF T1–BPF T4 can be adjustment automatically.
q-1: Set the cursor to "BPF ALL" and then push [ENTER] key.
q-2: The connected PC tunes BPF T1–BPF T4 to peak levels.
w-1: Set the cursor to one of BPF T1, T2, T3 or T4 as desired.
w-2: Push [ENTER] key to start tuning.
w-3: Repeat w-1 and w-2 to perform additional BPF tuning.
S-METER 1 • Operating CH
[S-METER]
• Connect an SSG to the antenna connector
and set as:
Frequency
Level
Modulation
Deviation
• Receiving
2 Set an SSG as:
Level
Deviation
• Receiving
SQUELCH 1 • Operating CH
LEVEL
• Connect an SSG to the antenna connector
[SQL]
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.
ADJUSTMENT CONDITION
: CH8
: 136.000 MHz
: 10 µV* (–87 dBm)
: 1 kHz
: ±3.5 kHz [W/N]
±2.8 kHz [M/N]
or
: CH8
: 136.000 MHz
: 14 µV* (–84 dBm)
: 1 kHz
: ±3.5 kHz [W/N]
±2.8 kHz [M/N]
: 0.45 µV* (–114 dBm)
: ±3.5 kHz [W/N]
±2.8 kHz [M/N]
: CH4
: 155.000 MHz
: 0.2 µV* (–121 dBm)
: 1 kHz
: ±1.75 kHz
MEASUREMENT
UNIT LOCATION
Rear Connect a SINAD meter with
a 4 Ω load to the external
panel
[SP] jack.
Push the [ENTER] key on the connected computer's key-
board to set "S3" level.
Push the [ENTER] key on the connected computer's key-
board to set "S1" level.
Rear Connect a speaker to the
panel external [SP] jack.
5 - 6
VALUE
Minimum distortion
level
S e t S Q L l eve l t o
close squelch.
Then set SQL level
at the point where
the audio signals
just appears.