5 - 6
*The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.
SOFTWARE ADJUSTMENT – continued
Select an operation using [
↑
] / [
↓
] keys, then set specified value using [
←
] / [
→
] keys on the connected computer keyboard.
Minimum distortion
level
Set “SQL level” to
close squelch.
Then set “SQL level”
at the point where
the audio signals
just appears.
1
1
• Operating freq. : 136.000 MHz
• IF bandwidth
: Wide
• Connect a standard signal generator to
the antenna connector and set as:
Frequency
: 136.000 MHz
Level
: 10 µV* (–87 dBm)
Modulation
: 1 kHz
Deviation
: ±3.5 kHz
[N/W]
±2.8 kHz
[N/M]
• Receiving
• Operating freq. : 155.000 MHz
• IF bandwidth
: Narrow
• Connect an SSG to the antenna con-
nector and set as:
Frequency
: 155.000 MHz
Level
: 0.2 µV* (–121 dBm)
Modulation
: 1 kHz
Deviation
: ±1.75 kHz
• Receiving
RX
SENSITIVITY
[BPF T1],
[BPF T2]
SQUELCH
LEVEL
[SQL]
MAIN
Rear
panel
Connect a SINAD meter with a
4
Ω
load to the external [SP]
jack.
Connect a SINAD meter with a
4
Ω
load to the external [SP]
jack.
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT
LOCATION
CONVENIENT:
The BPF T1–BPF T2 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 T2 to peak levels.
or
w
-1: Set the cursol to BPF T1 or BPF T2 as desired.
w
-2: Push [ENTER] key to start tuning.
w
-3: Repeat
w
-1 and
w
-2 to perform additional BPF tuning.
Summary of Contents for IC F110S
Page 1: ...SERVICE MANUAL VHF TRANSCEIVER iF110S iF111S iF121S ...
Page 31: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 36: ......
Page 37: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1VS e 2003 Icom Inc ...
Page 38: ...SERVICE MANUAL UHF TRANSCEIVER iF210S iF211S iF221S ...
Page 68: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 73: ......
Page 74: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1US w C 2002 2003 Icom Inc ...