User's Manual

Operation
9
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2.6 Keylock
The Keylock feature protects from accidental key presses.
You can enable or disable keylock as follows:
Press and hold to enter setup
Press repeatedly to reach the OPTIONS chapter
Press to open the OPTIONS chapter.
Press repeatedly to bring the KEY LOCK sentence to the cursor
Press to toggle between the ON/OFF options
Press and hold to exit setup.
Once keylock is activated, pressing a key causes the unit to
give the unlock key prompt. Press followed by to
unlock the keys (this will allow the keys to function for one minute, after
which the keys will automatically relock).
2.7 Audible Signals and Alarms
At stages during its operation your Micronet system will beep to indicate
alarms or moments of importance.
Power-up Once operating as part of a network the display will issue a single
beep as it is switched on by pressing the button for 2
seconds.
Button Press A single beep is issued each time a button is pressed. A second
beep is issued after a 2 second hold down of the button.
Timer A single beep will be issued at each minute of the countdown.
With 1 minute left to go a beep will sound every 10 seconds.
With 10 seconds to go a beep will sound every second.
Countdown complete will be indicated by a single burst of three
beeps.
Alarm Continuous bursts of three beeps will indicate an alarm.
The alarm activated will be indicated on the display. Pressing any
button will clear the alarm. See fault finding section on page 36.
Depth Shallow Alarm
The water depth has fallen below the preset alarm level.
The depth value that triggers the alarm is affected by any
keel or waterline offsets that have been added.
See page 21 S4 to set the alarm function.
This alarm does not sound as the depth increases above the preset
alarm level.