Yaesu VX-177, Руководство по эксплуатации

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VX-177 O
PERATING
M
ANUAL
64
T
RANSMITTER
T
IME
-O
UT
T
IMER
(
TOT
)
The TOT feature provides a safety switch which limits transmission time to a pre-pro-
grammed value. This will promote battery conservation by not allowing you to make ex-
cessively-long transmissions, and in the event of a stuck
PTT switch (perhaps if the radio
or a Speaker/Mic is wedged between car seats) it can prevent interference to other users as
well as battery depletion. As configured at the factory the TOT feature is set to “6 min-
utes,” and here is the procedure for activating it:
1. Press the [
F
] key, then press the [
0
(
SET
)] key to enter the Set mode.
2. Rotate the DIAL knob to select Set Mode Item 47:
TOT
.
3. Press the [
F
] key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the
DIAL
knob to set the Time-Out Timer to the desired
“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
expiration, 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 radio’s TOT feature for a maximum transmission time of one minute. This will
significantly improve battery life, too!
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. On a frequency where stations
using different CTCSS or DCS codes may be active, BCLO prevents you from disrupting
their communications accidentally (because your radio may be muted by its own Tone
Decoder). The default setting for the BCLO is OFF, and here is how to change that setting:
1. Press the [
F
] key, then press the [
0
(
SET
)] key to enter the Set mode.
2. Rotate the
DIAL
knob to select Set Mode Item 5:
BCLO
.
3. Press the [
F
] key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the
DIAL
knob to set this Set Mode Item to “
BCL. ON
”
(thus activating the BCLO feature).
5. When you have made your selection, press the PTT switch to
save the new setting and exit to normal operation.
M
ISCELLANEOUS
S
ETTINGS