Yaesu FT-250R, Руководство пользователя

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FT-250R O
PERATING
M
ANUAL
12
A
UTOMATIC
P
OWER
-O
FF
(APO) F
EATURE
The APO feature helps conserve battery life by automatically turning the radio off after a
user-defined period of time within which there has been no dial or key activity. The avail-
able selections for the time before power-off are 0.5/1/3/5/8 hours, as well as APO Off.
The default condition for the APO is OFF, and here is the procedure for activating it:
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 #11 (“
APO APO APO APO APO
”).
e
Press the [ F/L
] key to enable adjustment of this Menu item.
f
Rotate the DIAL to select the desired time period after which the radio will automati-
cally shut down.
g
Once you have made your selection, press the PTT key to save the new setting and exit
to normal operation.
C
HECKING THE
B
ATTERY
V
OLTAGE
The FT-250R is capable of measuring the current battery voltage.
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 #37 (“
BATT BATT BATT BATT BATT
”).
e
Press the [ F/L
] key to check the battery voltage.
f
To return to normal operation, press the [
F/L
] key, then press the
PTT
.
D
ISABLING THE
BUSY/TX LED
Further battery conservation may be accomplished by disabling the BUSY/TX LED. Use
the following procedure:
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 #12 (“
TRX LED TRX LED
TRX LED TRX LED TRX LED
”).
e
Press the [
F/L
] key to enable adjustment of this Menu item.
f
Rotate the DIAL to set this Menu item to OFF (thus disabling the BUSY/TX LED).
g
Press the
PTT
key to save the new setting and exit to normal operation.
B
USY
C
HANNEL
L
OCK
-O
UT
(BCLO)
The BCLO feature prevents the radio’s transmitter from being activated if a signal strong
enough to break through the “Noise” squelch is present. The default setting for the BCLO
is OFF, and here is how to change that setting:
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 #23 (“
BCLO BCLO BCLO BCLO BCLO
”).
e
Press the [ F/L
] key to enable adjustment of this Menu item.
f
Rotate the DIAL to set the BCLO feature to the “ON” position.
g
Press the PTT key to save the new setting and resume normal operation.
Advanced Operation