Frequency Adjustment - Icom IC-F3001 Service Manual

5-2 FREQUENCY ADJUSTMENTS
1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
PLL LOCK 1 • CH.
VOLTAGE • Receiving
2 • CH.
• Transmitting
3 • CH.
• Receiving
4 • CH.
• Transmitting
REFERENCE 1 • CH.
FREQUENCY • Transmitting
CONDITION
: 1 • Connect an RF power meter to the
antenna connector.
: 1
: 2 • Click the [Reload (F5)] button to check
on the "I/O Check window" as illustrated
below.
: 2
: 3 • Loosely couple a frequency counter to the
antenna connector.
• I/O Check window
(The values shown above are example only.
Each transceiver has own values.)
OPERATION
Lock voltage
* * *
appears here
5 - 5
ADJUSTMENT
VALUE
ITEM
3.51 V
[RX LVA]
[TX LVA]
0.9–1.5 V
[LVIN]
(Verify)
(On the "I/O
Check window")
174.0000 MHz
[REF]
(±250 Hz)