JRC JSS-296 -, Service Manual

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4.7.6 TX power adjustment
The transmitting power of the frequency band and User Channel can be adjusted.
4.7.6.1 Band power setting
The band power setting is possible when a software version is 3.0 or more.
Band step
Band power setting
Frequency band [kHz]
AC operation DC operation
1,600.0 - 1.999.9 HI, MID*, LOW HI, LOW
2,000.0 - 2,999.9 HI, MID*, LOW HI, LOW
… … …
26,000.0 - 26,999.9
27,000.0 - 27,500.0 HI, MID*, LOW HI, LOW
(*) There is no setting of MID power in JSS-296.
Procedure
(a) Set the Max power. (Refer to 4.7.5)
(b) Set the Test Tone as ON. (Refer to 4.7.4)
(c) Set the TX frequency by keypad.
TX FREQ
RX FREQ
BAND PWR
4,500.0
kHz
AGC
4,200.0
kHz
41
RDY
(d) Select the MENU number 41 by the jog dial or
keypad.
Turn the jog dial
ENT
MENU
or
4 MENU ENT
1
(e)
Select “HI”, “MID” or “LOW” by the jog dial
and press .
TX FREQ
RX FREQ
BAND PWR
Ic 0.0
kHz
AGC
Vc 0.0
kHz
HI
RDY
ENT
Exciter level, Vc and Ic, are displayed on the LCD.
Vc,Ic: Transistor collector voltage and current(*1)
IA: Antenna current(*2)
(*1) In AC operation, NAH PA transistor’s Vc and
Ic are displayed. In DC operation, JSB PA
transistor’s Vc and Ic are displayed.
(*2) IA is displayed by pressing .
CH
TX FREQ
RX FREQ
BAND PWR
Ic 7.5
kHz
AGC
Vc 77.9
kHz
110
RDY TX
(e) Press PTT of Hand Microphone, in order to
transmit.
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