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Page 73FT-450D OPERATION MANUAL
AUTOMATIC POWER-OFF
(
APO
)
The “Automatic Power-Off” (APO) feature will turn the radio completely off after a user-defined period of PTT or
key/button inactivity. If you do not press any front panel keys or buttons, rotate the [MAIN DIAL] knob, use the
microphone’s keys and buttons, or transmit, and so long as the transceiver is not scanning or engaged in priority
monitoring, the radio will shut itself off after the specified time period. The available selections for the time before
power-off are 1 - 12 hours (1 hour step), as well as APO Off. This feature is useful in minimizing battery drain in
a mobile installation if you forget to turn the transceiver off.
1. Press and hold the
[
F
]
button for one second to
enter the Menu mode again. The “ ” icon
will appear on the display.
2. Rotate the
[
DSP/SEL
]
knob to select the menu
item “APO”.
3. Press the
[
DSP/SEL
]
knob to enable adjustment
of this menu item. The “ ” icon will be blink-
ing.
4. Rotate the
[
DSP/SEL
]
knob to select desired
“Switch-off” time or “off.”
You may press
[
RCL/HOME
]
button to reset the
APO to the factory default.
5. Press the
[
DSP/SEL
]
knob. The “ ” icon re-
turns to appear continuously.
6. Press and hold the
[
F
]
button for one second to
save the new setting and return to normal opera-
tion.
If there is no action by you within the time interval
programmed, the “APO” notation will blink on the dis-
play and an alert bell will provide an audible warning
from the speaker within one minute of the APO timer
expiration, then the microprocessor will shut down
the radio automatically.
[
DSP/SEL
]
Knob
[
RCL/HOME
]
button
[
F
]
button
M
ISCELLANEOUS
S
ETTINGS
75


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