Watch Time Functions; Normal Readout; Alarm Operation - mcmurdo Guardian MOB Beacon Watch User Manual

121.5mhz man overboard alarm watch
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3. Watch Time Functions

The time functions use 4 external push buttons (Start, Reset, Mode and Light) for
setting and adjustment. The following features are included:
Hour, Minute, Seconds and Day of the Week
Month and Date
Chronograph 1/100 Second with Lap/Split Control
Maximum chronograph count: 23 Hours 59 Minutes 59 Seconds
Alarm
Hourly Chime
12/24 Hour display at user's option

3.1 Normal Readout

Pressing and holding START displays Month, Date and Day of Week
Pressing and holding RESET displays Alarm Time
Pressing MODE is reserved for changing functions, as described later
Pressing LIGHT once turns on the backlight for 3 seconds

3.2 Alarm operation

When the alarm sounds, press RESET to silence it. Alternatively, press START to silence the
alarm for 5 minutes (Snooze function).
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