Raymarine RL70C, Owner'S Handbook Manual

Page: 86 / 218

72 HSB Series LCD Display
➤
You can also delete (turn off) a zone by pressing the ALARMS key, and then
pressing the appropriate guard zone soft key to toggle the setting from
ON
to
OFF
.
Controlling Guard Zone Alarms
The guard alarm is triggered when a target enters a guard zone which exceeds
the target density threshold. You can set the threshold above which a new target
will trigger an alarm, and can also turn the alarm on or off.
When the alarm is triggered, the unit beeps and a text message is displayed.
➤
To clear the alarm, press any key (on the master or repeater display).
The alarm will sound again after 10 seconds, unless you perform one or more of
the following actions:
• Turn the guard zone off
• Adjust the guard zone size/shape to reduce the number of targets in the zone
• Turn the alarm off
• Decrease the alarm sensitivity
➤
To change the alarm setting:
1. Press
MULTI
to display the sliders.
D3935-3
LIGHT CONTRAST ALARM
ON
25%
TUNE
O
F
F
A
U
T
O
50%
2. Press the
ALARM
soft key to highlight the Alarm slider.
3. If required, press the soft key again to toggle the setting between
OFF
and
ON . You can only move the slider if the control is set to ON .
4. Use the trackpad to increase or decrease the alarm slider setting. You can
press and hold the trackpad to change the value more rapidly.
The higher the setting, the more sensitive the alarm, and the smaller the
target density required to set it off.
5. Press
ENTER
to clear the slider display.
Controlling Guard
Zone Alarms