Frequency Adjustment - Icom IC-F3210D 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 • Channel
VOLTAGE • Receiving
(RX)
(TX) 2 • Channel
• Transmitting
(RX) 3 • Channel
• Receiving
(TX) 4 • Channel
• Transmitting
REFERENCE 1 • Channel
FREQUENCY • Transmitting
(The values shown above are an example only. Each transceiver has own values.)
CONDITION
: 1-1 1) Connect an RF power meter to the an-
tenna connector.
2) Set the preset adjustment value on the
adjustment utility window.
: 1-1
: 1-2 • Click the [Update (F5)] button to check on
the "I/O Check window" as below.
: 1-2
: 1-1 • Loosely couple a frequency counter to the
antenna connector.
• I/O Check window
OPERATION
* * *
5 - 5
ADJUSTMENT
VALUE
ITEM
[RX 3.70 V
LVA(Adjust)]
3.50 V
[TX
LVA(Adjust)]
0.9–1.6 V
[LVIN]
(Verify)
(On the "I/O
0.9–1.5 V
Check window")
(Verify)
174.000000
[REF] MHz
(±50 Hz)
Lock voltage
appears here