Chapter 5: Alarms
Turning Alarms On and Off
You can turn any RayData alarm off so that it will not activate. For
example, may wish to disable the anchor alarm while you are cruising.
This is not the same as acknowledging an alarm when it becomes
active, which is described in Section 5.3.
The alarm status is shown on the appropriate alarm page: if the alarm is
on, the current alarm limit value(s) is displayed; if it is off, the text
"ALARM OFF" is displayed.
To disable the alarm, press and hold
seconds. The value(s) is replaced by the text "ALARM OFF".
To turn the alarm back on, press and hold
seconds again. The current alarm limit value(s) is displayed.
Note that you can adjust the alarm limits, as described below,
irrespective of whether the alarm is on or off.
Adjusting the Shallow Alarm Limit
The minimum and maximum alarm depths you can select, and the
resolution of the alarms, depend on the units selected as follows:
Units
Feet
Fathoms
Metres
The shallow alarm limit must be less than the deep alarm limit.
Minimum
Depth
3
0.5
1
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and
together for six
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and
Maximum
Depth
30
5
9
37
together for six
Resolution
Tenths of feet
Tenths of fathoms
Tenths of metres