![Icom IC-F24 Скачать руководство пользователя страница 18](http://html2.mh-extra.com/html/icom/ic-f24/ic-f24_service-manual_4214897018.webp)
5 - 6
5-3 SOFTWARE ADJUSTMENTS (RECEIVING)
• Select an operation using [
↑
] / [
↓
] keys, then set specified value using [
←
] / [
→
] keys on the connected computer keyboard.
*For F24S/F25S adjustment.
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT
LOCATION
CTCSS/DTCS
DEVIATION
[CTCS/DTCS]
1 • Operating CH
: CH10 (*CH1)
• No audio applied to the [MIC] input.
• Transmitting
Top
panel
Connect the FM deviation
meter to the antenna
connector through the
attenuator.
±0.68 kHz
RX
SENSITIVITY
[BPF T1],
[BPF T2]
1 • Operating CH
: CH11 (*CH1)
• Connect a standard signal generator to
the antenna connector and set as:
Frequency
: 400.000 MHz
[US2], [EU2], [GE2]
450.000
MHz
[US3], [GE3]
Level
: +20 dBµ (–87dBm)
Modulation
: 1 kHz
Deviation
: ±3.5 kHz
• Receiving
Side
Panel
Connect the SINAD meter
with an 8
Ω
load to the [SP]
jack through the JIG cable.
Minimum distortion level
CONVENIENT:
RX SENSITIVITY can be adjusted automatically.
Select "BPF ALL" item on the CS-F14 ADJ's screen, and push [ENTER] key.
SQUELCH
LEVEL
[SQL]
1 • Operating CH : CH11 (*CH1)
• Connect an SSG to the antenna connector
and set as:
Frequency
: 400.000 MHz
[US2], [EU2], [GE2]
450.000 MHz
[US3], [GE3]
Level
: –14 dBµ (–121dBm)
Modulation
: 1 kHz
Deviation
: ±3.5 kHz
• Receiving
Side
pannel
Connect a speaker to the
[SP] jack through the JIG
cable.
Set “SQL level” to close
squelch.
Then set “SQL level” at the
point where the audio
signals just appears.