Icom IC-756PRO III - Page 32

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• CTRL-A unit
CTRL-A unit
C3
SWR detector
adjustment
J14 (REF)
SWR detector
check point
Top view of the transceiver
4-5 TUNER ADJUSTMENTS
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT LOCATION UNIT ADJUST
SWR
DETECTOR
1
• Display freq.
• Mode
• [RF POWER]
• [TUNER]
: 29.70000 MHz
: FM
: Max. CW
: Through
CTRL-A Connect a digital
multimeter or oscil-
loscope to the check
point J14.
Minimum voltage CTRL-A C3
• Connect a 50
Ω
dummy load to
[ANT1] connector.
• Transmitting
ADJUSTMENT CONDITION DISPLAY OPERATION
2• Enter the tuner adjustment mode:
q
Turn power OFF.
w
Terminate the [RE-
MOTE] jack with a
3.5 (d) mm mini-plug.
e
While pushing [FILTER] and
[EXIT/SET], turn power ON.
TUNER-ADJUSTMENT MODE
Push [F5 (START)] to start tuning.
3
--TUNER--
Adjusting Now
Verify the display shows "Adjusting Now".
4
--TUNER--
OK
Verify the display shows "OK".