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Watch alarm
The watch alarm sounds an external
buzzer selected time intervals to help you
keep regular watch of the radar picture
for safety or other purposes. This feature
can be assigned to function key #4 with a
choice of alarm intervals of 3, 6, 10, 12,
15 and 20 minutes. (See the flowchart on
page 1-39 for keystroke sequence.)
Provided that function key #4 is assigned
the watch alarm feature, just press func-
tion key #4 to activate the feature. The
label WATCH appears at the lower-left
corner of the screen associated with a
watch alarm timer counts down from the
initial value (namely, "12:00").
When an audible watch alarm is released
the preset time interval has elapsed, the
screen label WATCH turns red and the
watch alarm timer freezes at "0:00."
To silence the alarm, press the AUDIO
key. The label WATCH turns to normal
color and the watch alarm timer is reset
to the initial value and starts the count-
down sequence again.
If you press the AUDIO OFF key before
the selected time interval is reached, the
watch alarm timer is reset to the initial
value and starts the count-down se-
quence again.