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Chapter 2: Basic Operation 17
2 Basic Operation
3. Press the disp key until you see the WATCH data page:
• the watch timer will start counting
• when the timer reaches 3 minutes, the
WATCH text starts
flashing to indicate that the timer is in the last minute
• when the timer reaches 4 minutes, the ST4000+ activates the
audible Watch alarm
Responding to a Watch alarm
To respond to a Watch alarm:
• press
auto to silence the alarm and reset the timer to 4 minutes
or
• press any other key to silence the alarm, reset the timer and
perform that key’s normal function
Note: You cannot engage Auto mode directly from Watch mode –
pressing
auto will only reset the Watch timer. If you want to enter
Auto mode, you must first exit Watch mode (see below).
Exiting Watch mode
To exit Watch mode:
• press
disp to display a different data page
or
• press
standby
Shallow alarm (SHALLOW)
The ST4000+ activates the Shallow alarm if it receives a shallow
depth alarm via SeaTalk:
• press
standby or disp to cancel the alarm
Man Overboard alarm (MOB)
The ST4000+ activates the Man Overboard alarm if it receives a man
overboard (MOB) message from another instrument on the SeaTalk
system. It displays the text
MOB instead of the waypoint number for
the
XTE, DTW and BTW data pages.
If the autopilot is in Track mode, it will sound the Waypoint Advance
alarm to notify you of the change in waypoint.