Stealth Mode; Backlight; Confirmation Beep - MSA ALTAIR 5 Manuel D'utilisation

2.2.3.5 Stealth Mode

Stealth Mode disables the visual, audible and vibrating alarms. MSA
recommends that this feature be left in its default "OFF" state. This can
be turned ON through the SETUP - INSTRUMENT OPTIONS menu
(Section 3.4.3).
The message "Alarms OFF" flashes on the monochrome display when
Stealth mode is ON. On the color display, all three alarm icons are
shown as OFF (

2.2.4 Backlight

The backlight automatically activates when any front panel button is
pressed and remains ON for the duration of user-selected timeout. This
duration can be changed using the Setup- Instrument Mode (Section
3.4.3) or through MSA Link software.

2.2.5 Confirmation Beep

This confirmation beep activates every 30 seconds by momentarily
beeping the horn and flashing the alarm LEDs under the following
conditions:
• Confirmation beep is enabled
• Instrument is on normal Measure Gases page
• Instrument is not in battery warning
• Instrument is not in gas alarm.
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