6-2 FREQUENCY ADJUSTMENT
1) Select an adjustment item using cursor or [
↑
] / [
↓
] keys of the PC’s keyboard.
2) Set or modify the adjustment value as specifi ed using [
←
] / [
→
] keys of the PC’s keyboard, then push the [ENTER] key.
ADJUSTMENT ADJUSTMENT CONDITION OPERATION
ADJUSTMENT
ITEM
VALUE
PLL LOCK
VOLTAGE
-Preparation-
1
–
1) Connect an RF power meter to the
TX antenna.
2) Set the preset adjustment value on
the adjustment utility window.
[LV (RX L)] 161 [3.15V]
[LV (RX H)] 153 [3.00V]
[LV (TX L)] 51 [1.0V]
[LV (TX H)] 36 [0.7V]
-Adjust-
RX
(Band center)
2 • CH. : 1-1
• Receiving
• Select the item [RX LVA L], then
push the [ENTER] key. [RX LVA L]
(Automatic
adjustment)
RX
(Band high)
3 • CH. : 1-2
• Receiving
•
Select the item [RX LVA H], then
push the [ENTER] key.
[RX LVA H]
TX
(Band low)
4 • CH. : 1-3
• Transmitting
• Select the item [TX LVA L], then push
the [ENTER] key.
[TX LVA L]
TX
(Band center)
5 • CH. : 1-4
• Transmitting
• Select the item [TX LVA H], then
push the [ENTER] key.
[TX LVA H]
LOCK
VOLTAGE
VERIFY
RX
(Band low)
1 • CH. : 1-5
• Receiving
• Verify the lock voltage at each
channels on the [RX LIVIN] item on
the "I/O Check window" as below.
[RX LIVIN]
(I/O Check
window)
0.5–1.5 V
(Verify)
RX
(Band center)
2 • CH. : 1-6
• Receiving
TX
(Band center)
3 • CH. : 1-7
• Transmitting
• Verify the lock voltage at each
channels on the [TX LIVIN] item on
the "I/O Check window" as below.
[TX LIVIN]
(I/O Check
window)
3.0–4.5 V
(Verify)
TX
(Band high)
4 • CH. : 1-8
• Transmitting
2.0–3.5 V
(Verify)
TX
FREQUENCY
1
–
1) Set the item [TX Mode] to "1."
2) Connect an RF power meter to the
TX antenna.
[TX Mode]
"1"
2 • CH. : 1-9
• Transmitting
1) Adjust the frequency using [
←
] / [
→
]
keys of the PC’s keyboard.
2) Push the [ENTER] key to store the
adjust value.
[TX REF]
173.9000 MHz
6 - 6
• I/O CHECK WINDOW
*The above voltages are just an example.
Lock voltage verify