Garmin 135 GPS Receiver User Manual


 
Timers & Alarms Setup
The timer & alarms submenu is used to control various alarm/timer settings.
• Timer sounds an alarm when an entered interval (up to 99:59:59) has expired, or
provides a continuous running clock timer to 99:59:59.
To use the countdown timer:
1. Select the ‘Count Down’ menu option.
2. Enter the desired time interval in the interval field, and press
T
.
3. Once the count down time has expired, an alarm message will appear, and the
timer will automatically switch to the count up mode.
4. To reset the timer, select the reset option and press
T
.
• Clock Alarm provides an alarm for the system clock. To use the clock alarm, select
the ‘On’ option and enter the desired time of day in the time field.
• Arrival Alarm lets you specify an alarm to sound when you’re a specified distance
away from a destination waypoint. Three options are available:
• Off- No arrival alarm will sound.
• Auto- An arrival alarm will sound one minute before the destination, based
upon your current speed and course over ground.
• On- An arrival alarm will sound at the alarm distance specified in the distance
field for the destination waypoint (the ‘On’ setting will only provide an arrival
alarm for the final destination waypoint of the active route).
• Crosstrack Alarm provides an alarm for crosstrack error (XTK) when your vessel
is off course by more than a specified distance, up to 99.99 (units).
• Anchor Drag Alarm lets you specify an alarm to sound when you’ve exceeded a
specified drift distance, up to 9999 (units). Whenever the anchor alarm is triggered,
an anchor icon will appear in the status bar.
A. The timer field can be set to count down from a
specified interval or provide a running count of
elapsed time.
B. The sounder alarms can be set to warn you of
deep or shallow water and sounder targets of
various sizes.
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SECTION
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SETUP MENUS
Timers & Alarms
GPS 135 Rev C 8/4/98 4:19 PM Page 77