Countdown Timer; Backlighting; Alarms - ADVANSEA SPEED S400 Manuel Utilisateur

2.2.4. Countdown timer

Once CHRONO is displayed, trigger it by pressing simultaneously on the
keys.
The countdown starts from the data displayed (which can be configured between 1
and 10 minutes, see menu paragraph 2.5.6.). A long beep signals when the
countdown switches to the full minute. The end of the countdown is signalled by a
short beep every second for the last 5 seconds followed by a long beep to mark the
end of the countdown.
When the countdown is finished, the countdown timer counts the navigation time in
hours/minutes (with two points flashing per second).
Press again simultaneously for at least 2 seconds on the
countdown to stop it and reset the display to the selected value.

2.2.5. Backlighting

The display and the 4 keys are backlit, with 4 levels of intensity. Level "0" corresponds
to backlighting switched off.
To control backlighting:
Press the key to display the backlighting page, then the
and keys to adjust the lighting level from 0 to 4.
Pressing again on the
bus to control backlighting on other device displays.

2.3. Alarms

The icon is lit when at least one alarm has occurred on one item of data managed
by the SPEED display. A sensor alarm appears when it is activated (different from 0)
and the measurement has exceeded the high or low threshold previously defined. This
alarm is then shown by:
The flashing icon
The data concerned by the alarm flashing,
Automatic lighting of the LCD backlighting to its highest level,
key send the lighting level on the
Installation and Operation Manual S400 series
+
+ keys during the
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