Backlight; Operating Beep; On-Screen Indicators; Monochrome Display - MSA Altair 5X Mode D'emploi

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 Operating Beep

The Operating Beep activates every 30 seconds by momentarily
beeping the horn and flashing the alarm LEDs under the
following conditions:
• Operating Beep is enabled
• Instrument is on NORMAL MEASURE GASES page
• Instrument is not in battery warning
• Instrument is not in gas alarm.

2.3 On-Screen Indicators

2.3.1 Monochrome Display

1 Gas Type
2 Current Time
3 "Soft Key" ▼ Indicator
4 Gas Reading
On a monochrome display, a message appears every 30 seconds
if the Vibration, Horn or LED alarms are turned OFF.
5
6
7
8
Figure 2-2. Monochrome Display
Battery Condition
Successful Bump Test/Calibration Indicator
"Soft Key" ▲ Indicator
MotionAlert (+ = ON) )
Sensor Life Indicator
2-5