Icom IC-F2000 Service Manual page 28

4-4 RECEIVE ADJUSTMENTS (CONTINUED)
1) Select an adjustment item using [↑]/[↓]/[←]/[→] on the PC's keyboard.
2) Set or modify the adjustment value as specified using [Space]/[Back Space] on the PC's keyboard.
TRANSCEIVER'S
ADJUSTMENT
RX SIGNAL-TO- 1 • CH No.: 41
NOISE RATIO • Receiving
- Verification -
Narrow
(Band low)
(Band center) 2 • CH No.: 42
• Receiving
(Band high) 3 • CH No.: 43
• Receiving
Wide* 3 4 • CH No.: 44
(Band low) • Receiving
(Band center) 5 • CH No.: 45
• Receiving
(Band high) 6 • CH No.: 46
• Receiving
No verification is necessary for [USA].
* 3
† The output level of the standard signal generator (SSG) is measured at the load end (PD).
CONDITION
• Connect the SSG to the antenna
connector, and set it as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
†
Level
Modulation: 1 kHz
Deviation:
• Connect the distortion meter and
external speaker to [SP] through
the JIG cable 2.
• Adjust the AF volume so that the
distortion meter shows the AF
output level to 0.2 W (1.26 V).
• Toggle the SSG modulation ON
and OFF.
• Set the SSG as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
• Set the SSG as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
• Set the SSG as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
Deviation:
• Set the SSG as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
• Set the SSG as:
Frequency:
[400~470 MHz versions]
[450~512/520 MHz versions]
OPERATION
400.050 MHz
450.050 MHz
: +60 dBµ (–47 dBm)
±1.5 kHz
435.050 MHz
485.050 MHz
469.950 MHz
519.950 MHz
400.050 MHz
450.050 MHz
±3.0 kHz
435.050 MHz
485.050 MHz
469.950 MHz
519.950 MHz
4-18
ADJUSTMENT
VALUE
ITEM
– More than 34 dB
More than 40 dB
Continued on the next page...