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Yaesu FT-257 Manual

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FT-257 OperaTing Manual 47
Miscellaneous Settings
TX Battery Saver
The
FT-257
also includes a useful Transmit Battery Saver, which will automatically
lower the power output level when the last signal received was very strong. For ex-
ample, when you are in the immediate vicinity of a repeater station, there generally is
no reason to use the High Power output in order to achieve full-quieting access to the
repeater. With the Transmit Battery Saver, the automatic selection of Low Power opera-
tion conserves battery drain signicantly.
To activate the Transmit Battery Saver:
1. Press the
[
SET/ATS
]
key to enter the Set mode.
2. Rotate the
DIAL
knob or press the
[
p
]
/
[
q
]
key to select
Set Mode Item 44:
TXSAVE
.
3. Press the
[
SET/ATS
]
key momentarily to enable adjust-
ment of this Set Mode Item.
4. Rotate the
DIAL
knob or press the
[
p
]
/
[
q
]
key to set this Set Mode Item to “
SAV.
ON
” (thus activating the Transmit Battery Saver).
5. When you have made your selection, press the
PTT
switch to save the new setting
and exit to normal operation.
Transmitter Time-Out Timer
(
TOT
)
The TOT feature provides a safety switch which limits transmission time to a pre-
programmed value. This will promote battery conservation by not allowing you to make
excessively-long transmissions, and in the event of a stuck
PTT
switch (perhaps if the
radio is wedged between car seats) it can prevent interference to other users as well as
battery depletion. As congured at the factory the TOT feature is set to “6 minutes”. The
timer may be set from 1 up to 30 minutes, or off:
1. Press the
[
SET/ATS
]
key to enter the Set mode.
2. Rotate the
DIAL
knob or press the
[
p
]
/
[
q
]
key to select
Set Mode Item 43:
TOT
.
3. Press the
[
SET/ATS
]
key momentarily to enable adjust-
ment of this Set Mode Item.
4. Rotate the
DIAL
knob or press the
[
p
]
/
[
q
]
key to set the Time-Out Timer to the de-
sired “Maximum TX” time (between 1 and 30 minutes), or OFF.
5. When you have made your selection, press the
PTT
switch to save the new setting
and exit to normal operation.
1) When your transmission time is within 10 seconds of the Time-Out Timer expira-
tion, an Alert bell will provide an audible warning from the speaker.
2) Since brief transmissions are the mark of a good operator, try setting up your ra-
dio’s TOT feature for a maximum transmission time of one minute. This will sig-
nicantly improve battery life, too!
honbun_130313.indd 47 2013/03/13 20:30:12
… 49 …


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