Receiver Adjustment - Icom IC-M1V Service Manual

5-3 RECEIVER ADJUSTMENT

Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
RX 1 • Operating channel : ch 16
SENSITIVITY • Connect a standard signal generator to
the antenna connector and set as:
Frequency
Level
Modulation
Deviation
• Receiving
CONVENIENT:
SQUELCH 1 • Operating channel : ch 16
LEVEL • No RF signals are applied to the anten-
na connector.
• Receiving
• Set the cursol to "SQL" on the adjust-
ment program and push [ENTER] key,
then push [ENTER] key again.
2 • Operating channel : ch 16
• Connect a standard signal generator to
the antenna connector and set as :
Level
Modulation
Deviation
• Receiving
• Push [ENTER] key on the keyboard.
*The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
ADJUSTMENT CONDITION
: 156.800 MHz
: 3.2 µV* (–97 dBm)
[IC-M1V]
: 4.5 µV* (–94 dBm)
[IC-M1EURO V]
: 1 kHz
: ±3.5 kHz
The BPF T1–BPF T4 can be adjusted automatically.
q-1: Set the cursol to "BPF ALL" on the adjustment program and then push [ENTER]
key.
q-2: The connected PC tunes BPF T1–BPF T4 to peak levels.
w-1: Set the cursol 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.
: 0.71 µV* (–110 dBm)
[IC-M1V]
: 1 µV* (–107 dBm)
[IC-M1EURO V]
: 1 kHz
: ±3.5 kHz
Maxmun level on the computer display (T1–T4) respectively.
or
NOTE:
Squelch level adjustment is adjusted automatically by
the adjustment program.
5 - 4
VALUE