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4-4b
The underlined parts have been updated from the previous version of the addendum, or from the original page.
(Amended page)
February 2021
4-2 TRANSMIT ADJUSTMENTS
ADJUSTMENT
ADJUSTMENT ITEM
DISPLAY
SETTING CONDITION
OPERATION
FREQUENCY
-Verification-
1
• Connect the RF power meter or
the dummy load to the antenna
connector.
• Loosely couple the frequency
counter to the antenna connector.
• Transmitting
145.999635 ~ 146.000365 MHz
(If out of the specified range,
adjust the frequency by [VOL],
then push [# ENT]•[
].)
TRANSMIT
OUTPUT POWER
-Adjustment-
(Extra High)
1
• Connect the RF power meter to the
antenna connector.
• While transmitting, adjust the
connected DC power supply
voltage to 7.5 V.
• Transmitting
Set the transmit output power to
7.0 W (within ±0.2 W) by [VOL],
then push [# ENT]•[
].
Note the adjusted value as the
reference value A.
(High)
2
Set the transmit output power to
5.5 W (within ±0.2 W) by [VOL],
then push [# ENT]•[
].
Note the adjusted value as the
reference value B.
(Middle)
3
Set the transmit output power to
2.5 W (within ±0.2 W) by [VOL],
then push [# ENT]•[
].
Note the adjusted value as the
reference value C.
(Low)
4
Set the transmit output power to
0.5 W (within ±0.1 W) by [VOL],
then push [# ENT]•[
].
Note the adjusted value as the
reference value D.
(Extra High)
5
• Receiving
Set the adjustment value to the
value that add 4 to the reference
value B, then push [# ENT]•[
].
6
Set the adjustment value to the
value that subtract 5 to the reference
value A, then push [# ENT]•[
].
7
Set the adjustment value to the
value that subtract 1 to the reference
value B, then push [# ENT]•[
].
(High)
8
Set the adjustment value to the
value that add 4 to the reference
value B, then push [# ENT]•[
].
9
Set the adjustment value to the
value that subtract 7 to the reference
value B, then push [# ENT]•[
].
10
Set the adjustment value to the
value that subtract 1 to the reference
value B, then push [# ENT]•[
].
(Middle)
11
Set the adjustment value to the
value that add 1 to the reference
value C, then push [# ENT]•[
].
12
Set the adjustment value to the
value that subtract 3 to the reference
value C, then push [# ENT]•[
].
13
Set the adjustment value to the
value that add 4 to the reference
value C, then push [# ENT]•[
].
(Low)
14
Set the adjustment value to the
value that add 1 to the reference
value D, then push [# ENT]•[
].
15
Set the adjustment value to the
reference value D, then push
[# ENT]•[
].
16
Set the adjustment value to the
value that add 5 to the reference
value D, then push [# ENT]•[
].