Chapter 1: Operation 3
If for any reason depth information is lost, the DEPTH title will flash once
per second and the displayed depth value will be the last good reading.
Depth alarm threshold displays
The alarm threshold displays are available if the instrument is operating
as a master. Each display is identified by the presence of an alarm symbol
( )and either an up arrow for a shallow alarmor a down arrow for a deep
alarm. The shallow and deep anchor alarms are identified by means of an
additional anchor icon.
You can enable and disable individual alarm thresholds by pressing the
reset key for 2 seconds, while the relevant alarm threshold is displayed.
Each alarm threshold is displayed for a nominal 7 seconds, and if no
action is taken during that time, the display will timeout to the current
depth display.
Adjusting alarm thresholds
To adjust the alarm threshold levels, press the
trip and reset keys
simultaneously to enter adjust mode, then use either the
trip key (to
decrease) or the
reset key (to increase) the threshold value. When you
have setthe required value, pressthe
tripandreset keys again,to save the
alarm setting and exit the adjust mode.
Note: Adjustment of the shallow alarm threshold can be disabled during
calibration. When adjustment is disabled, you cannot enter adjust mode.
Speed
Use the speed key to select the required information, as shown in the
Using the speed key illustration. The speed measurement units are either
knots (KTS), miles per hour (MPH) or kilometres per hour (KMH), as
selected during user calibration (see Chapter 4, Calibration).
The maximum speed, average speed and VMG to windward are each
displayed for a nominal 7 seconds, and if no action is taken during that
time, the display will timeout to the Boat speed display.
Boat speed
Shows the current speed and selected speed units.
81040_1.book Page 3 Thursday, November 7, 2002 10:21 AM
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