Yaesu FT-250R, Руководство пользователя

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FT-250R O
PERATING
M
ANUAL
11
f
Rotate the DIAL to select the desired “Sleep” duration. The selections available are
200 ms, 300 ms, 500 ms, 1 second, and 2 seconds, or OFF. The default value is 200 ms.
g
When you have made your selection, press the PTT key to save the new setting and
exit to normal operation.
When you are operating on Packet, switch the Receive Battery Saver OFF, as the sleep
cycle may “collide” with the beginning of an incoming Packet transmission, causing
your TNC not to receive the full data burst. Likewise, during voice operation, part of the
first word of an incoming transmission may be cut off during (normal) Battery Saver
operation.
TX B
ATTERY
S
AVER
The FT-250R also includes a useful Transmit Battery Saver, which will automatically
lower the power output level when the last signal received was very strong. With the
Transmit Battery Saver, the automatic selection of Low Power operation conserves bat-
tery drain significantly.
To activate the Transmit Battery Saver:
c
Press the [ F/L
] key, then press the [
0
(
SET
)] key to enter the Set mode.
d
Rotate the DIAL to select Menu Item #10 (“
TX SAVE TX SAVE
TX SAVE TX SAVE TX SAVE
”).
e
Press the [ F/L
] key to enable adjustment of this Menu item.
f
Rotate the DIAL so as to select ON (thus activating the Transmit Battery Saver).
g
When you have completed your selection, press the PTT key to save the new setting
and exit to normal operation.
K
EYPAD
/LCD I
LLUMINATION
Your
FT-250R
includes a reddish illumination lamp which aids in nighttime operation.
Three options for activating the lamp are provided:
KEY KEY KEY KEY KEY
: Pressing any key (except PTT ) causes the lamp to provide illumination for 5
seconds, after which the lamp will automatically shut off.
5SEC 5SEC
5SEC 5SEC
5SEC
: Pressing the LAMP switch momentarily causes the lamp to provide illumina-
tion for 5 seconds, after which the lamp will automatically shut off.
TOGGLE TOGGLE
TOGGLE TOGGLE TOGGLE
: Pressing the LAMP switch momentarily “Toggles” the lamp on and off. The
lamp will stay illuminated until you press the LAMP switch once more.
Here is the procedure for setting up the Lamp mode:
c
Press the [ F/L
] key, then immediately press the [
0
(
SET
)] key to enter the Set mode.
d
Now rotate the DIAL to select Menu Item #21 (“
LMP MOD LMP MOD
LMP MOD LMP MOD
LMP MOD
”).
e
Press the [ F/L
] key to enable modification of the current setting.
f
Next, rotate the DIAL to select one of the three modes described above.
g
When you have made your choice, press the PTT key to save the new setting for Menu
Item #21. The transceiver will now return to normal operation.
Advanced Operation