Chapter 5: Alarms 37Turning Alarms On and OffYou can turn any RayData alarm off so that it will not activate. Forexample, may wish to disable the anchor alarm while you are cruising.This is not the same as acknowledging an alarm when it becomesactive, which is described in Section 5.3.The alarm status is shown on the appropriate alarm page: if the alarm ison, 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 ÚÚÚÚÚ and ÙÙÙÙÙ together for sixseconds. The value(s) is replaced by the text “ALARM OFF”.D3072-1To turn the alarm back on, press and hold ÚÚÚÚÚ and ÙÙÙÙÙ together for sixseconds 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 LimitThe minimum and maximum alarm depths you can select, and theresolution of the alarms, depend on the units selected as follows:Units Minimum Maximum ResolutionDepth DepthFeet 3 30 Tenths of feetFathoms 0.5 5 Tenths of fathomsMetres 1 9 Tenths of metresThe shallow alarm limit must be less than the deep alarm limit.