MFJ-998 Legal Limit IntelliTuner Automatic Antenna Tuner
Instruction Manual
©
2007-2010 MFJ Enterprises, Inc.
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power (when power is turned down to 100 watts, the TUNE power will reduce to 25 watts).
If the operator normally has his FT-2000D set for the full 200 watts, then this should be set to
20 watts.
d. Press and hold in the [MENU] key for two seconds to save the new setting and exit to normal
operation. If you press the [MENU] key momentarily, the new setting will
not
be saved.
3. Insert the 8-pin modular plug into the MFJ-998 RADIO INTERFACE jack.
4. Connect the 3.5-mm mono plug on the MFJ-5114Y3 to the REM (REMOTE) jack on the rear
panel of the transceiver.
5. Connect a 12V 1.5 amp DC source to the MFJ-998.
6. Push the [POWER] button on the MFJ-998 to the
in
position. The radio may be powered on
either before or after the tuner is powered on.
Operation for FT-2000 series of radios
The transceiver is controlled by the MFJ-998. To operate:
1. Press the [TUNE] button on the MFJ-998 for ½-2 seconds to initiate the tuning process. The
radio will automatically transmit a low-power carrier and start the tuning process. When tuning is
completed, the radio will stop transmitting and you will be ready for operation on this frequency.
Connections for FT
DX
-9000 series of radios
1. Select
YAESU MP/2K/9K
in the tuner’s Radio Interface setup menu. Turn the tuner off.
2. Before connecting the MFJ-5114Y3 to your radio, set the maximum TUNE power of the radio as
follows:
a. On your transceiver, enter the Menu mode by pressing the [MNU] key momentarily.
b. Rotate the Main Tuning Dial knob until you see menu item [157 EXT AMP TUNING PWR]
on the transceiver’s display.
c. Rotate the [CLAR/VFO-B] knob to select 50 watts for best SWR accuracy. The TUNE
power varies with the output power level control setting, so ensure that the TUNE power is
somewhere between 20-50 watts.
d. Press and hold in the [MNU] key for two seconds to save the new setting and exit to normal
operation. If you press the [MNU] key momentarily, the new setting will
not
be saved.
3. Insert the 8-pin modular plug into the MFJ-998 RADIO INTERFACE jack.
4. Connect the 3.5-mm mono plug on the MFJ-5114Y3 to the REMOTE jack on the rear panel of
the transceiver.
5. Connect a 12V 1.5 amp DC source to the MFJ-998.
6. Push the [POWER] button on the MFJ-998 to the
in
position. The radio may be powered on
either before or after the tuner is powered on.