MSA G1 SCBA Operating Manual page 43

The HUD can be refreshed during a segment by pressing the reset button to display the pressure.
This mode uses the least amount of power providing the best battery life.
Option 2: Intermittent Mode with Continuous at Segment 3
Intermittent mode with Continuous at Segment 3 is similar to Intermittent Mode except that when
Segment 3 is reached, the LEDs remain on and flashing until Segment 4 is reached. The HUD can be
refreshed during a segment by pressing the reset button to display the pressure.
Option 3: Continuous Mode
Continuous mode shows the pressure status at all times. The LEDs will remain on at all times so the
user can always look down to know the pressure. This mode uses the most amount of power providing
the shortest battery life of the four options.
Segment 1: 75 to 100 %
On for 20 sec, Steady on
Segment 2: 50 to 74 %
On for 20 sec, Steady on
Segment 3: 36 to 49 %
On for 30 sec, Flashing
Segment 4: 0 to 35 %
Flashing continuously
Segment 1: 75 to 100 %
On for 20 sec, Steady on
Segment 2: 50 to 74 %
On for 20 sec, Steady on
Segment 3: 36 to 49 %
Flashing continuously
Segment 4: 0 to 35 %
Flashing continuously
Segment 1: 75 to 100 %
Steady on continuously
Segment 2: 50 to 74 %
Steady on continuously
Segment 3: 36 to 49 %
Flashing continuously
Segment 4: 0 to 35 %
Flashing continuously
G1 SCBA
G1 Heads-Up Display (HUD)
US
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