Frequency Adjustment - Icom IC-4061T Service Manual

6-2 FREQUENCY ADJUSTMENT

Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC's keyboard.
ADJUSTMENT ADJUSTMENT CONDITION
PLL LOCK 1 • Channel
VOLTAGE • Lock voltage preset
[RX LVA1]
• Receiving
[RX LVA2] 2 • Channel
• Lock voltage preset
• Receiving
[TX LVA] 3 • Channel
• Lock voltage preset
• Transmitting
PLL LOCK 1 • Channel
VOLTAGE • Receiving
2 • Channel
• Receiving
3 • Channel
• Transmitting
REFERENCE • Channel
FREQUENCY
• Connect an RF power meter to the
[REF]
antenna connector.
• Transmitting
• I/O Check window
: 1
[LV (RX1)] : 51 [1.0 V]
: 2
: 51 [1.0 V]
[LV (RX2)]
: 1
[LV (TX)] : 51 [1.0 V]
: 4
: 3
: 3
: 3
MEASUREMENT
UNIT OPERATION
PC Click [I/O Check] in the Clone
screen menu to open the "I/O Check
window."
Click [Update (F5)] button, then
check the "LVIN" item on the
CS-F3060 ADJ's screen as below.
PC Click [Update (F5)] button, then
screen check the "LVIN" item on the
CS-F3060 ADJ's screen.
Top Loosely couple a frequency
panel counter to the antenna connec-
tor.
6 - 4
VALUE
1.00 V
3.4–4.4 V
(Verify)
3.2–4.4 V
(Verify)
470.000000/
512.000000 MHz