6 - 4
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
MEASUREMENT
VALUE
UNIT
OPERATION
PLL LOCK
VOLTAGE
[RX LVA]
1 • Channel
• Receiving
: CH 1
PC
screen
Click [Reload (F5)] button, then
check the “LVIN” item on the
CS-F3020 ADJ’s screen as below.
3.5 V
[TX LVA]
2 • Channel
• Transmitting
: CH 1
CONVENIENT:
The “PLL LOCK VOLTAGE” can be adjusted automatically.
1: Set the Lock voltage preset ([RX LVA] and [TX LVA]) to “179 (3.15 V).”
2: Push the [ENTER] key on the connected PC’s keyboard.
3 • Channel
• Receiving
: CH 2
PC
screen
Click [Reload (F5)] button, then
check the “LVIN” item on the
CS-F3020 ADJ’s screen.
0.9–1.5 V
(Verify)
4 • Channel
• Transmitting
: CH 2
1.0–1.6 V
(Verify)
REFERENCE
FREQUENCY
[REF]
1 • Channel
: CH 1
Top
panel
Loosely couple a frequency
counter to the antenna connector.
174.000000 MHz
• Connect an RF power meter to the
antenna connector.
• Transmitting
