Weather Alert Scan - Yaesu VX-170 Operating Manual

This feature allows you to check the Weather Broadcast Memory Channels for the pres-
ence of the NOAA Alert Tone while operating using VFO scan or Memory channel scan.
When the Weather Alert Scan feature is engaged, the VX-170 will check the Weather
Broadcast Memory Channels for activity every five seconds while scanning. If you watch
the display carefully, you'll observe the scanner periodically shifting to the Weather Broad-
cast bank, scanning the Weather channels quickly in search of the Alert Tone, after which
regular scanning will resume for another five seconds.
To enable the Weather Alert Scan feature:
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 52:
3. Press the [ F ] key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the DIAL knob so as to select "
5. When you have made your selection, press the PTT switch to
save the setting and exit to normal operation.
6. To disable the Weather Alert Scan feature, select "
step 4 above.
1) When the Weather Alert Scan feature is engaged, the Scan-Resume mode
is fixed to "TIME."
2) If you are just scanning the Weather Broadcast Channels, the VX-170's
receiver will remain muted indefinitely unless the Alert Tone is received. This yields a
long period of monitoring time, as no power will be consumed via audio output while
scanning for the Alert Tone is in progress.
VX-170 O
W A
ALT. ON
M
S
WX ALT
.
."
ALT.OFF
" in
S
CANNING
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