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Page 54 FT-450D OPERATION MANUAL
PHONES
KEY
BASIC OPERATION
1. Press the
[
BAND
]
/
[
BAND
]
buttons to select
the 28 MHz or 50 MHz.
Note: FM is only used in the 28 MHz and 50 MHz
Amateur bands covered in the FT-450D. Please
do not use FM on any other bands.
2. Press the
[
MODE
]
/
[
MODE
]
buttons to select
the FM mode.
3. Rotate the
[
MAIN DIAL
]
knob to adjust the oper-
ating frequency.
If you use the MH-31A8J (or MD-100A8X: option),
you may adjust the operating frequency by the
[
UP
]
/
[
DWN
]
buttons on the microphone.
4. Press the microphone’s PTT (Push To Talk)
switch to begin transmission. Speak into the mi-
crophone in a normal voice level.
The “ ” icon will appear in the display, con-
firming that transmission is in progress.
5. Release the PTT switch at the end of your trans-
mission. The transceiver will return to the receive
mode.
FM MODE OPERATION
NOTE:
In the FM mode, the squelch circuit is set to the
threshold point automatically.
However, when turn the
[
SQL/RF GAIN
]
knob
counter-clockwise, the squelch circuit is turned
off.
Keep the
[
SQL/RF GAIN
]
knob always clockwise
position.
You may change the
[
SQL/RF GAIN
]
knob from
the RF GAIN function to the squelch function via
Menu item SQL/RFG.
At the factory, a microphone gain has been pro-
grammed that should be satisfactory for the sup-
plied MH-31A8J Hand Microphone. If you use an
after-market microphone, you may wish to set a
different Microphone Gain Level, described pre-
viously (Microphone Gain Level Adjustment: see
page 39)
[
MAIN DIAL
]
knob
[
BAND
]
/
[
BAND
]
button
[
MODE
]
/
[
MODE
]
button
NOTICE
Regarding of the
[
DSP/SEL
]
knob
The
[
DSP/SEL
]
knob is used for operating
various functions depending on the situation.
If you can not change the frequency/memory
channel by tuning the
[
DSP/SEL
]
knob, the
[
DSP/SEL
]
knob is selected to operate of one
of the DSP functions.
In this case, press the
[
DSP
]
button several
times until the “>” icon disappears from the
DSP Graphic Display.
56


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