Regulator; Heads-Up Display (Hud) - MSA G1 SCBA Operating Manual

2.2

Regulator

The regulator connects to the facepiece with a push-to-connect (PTC) connection. The regulator
connection includes two independent release buttons.
The regulator is available with two cover options (purge, solid). The purge cover lets users activate
the regulator or deliver a quick burst of air manually.
The regulator includes a bypass valve with a large and easily accessible bypass knob and an elec-
tronic module that provides functionality for HUD and electronic voice communications.
The regulator hose is available in two options: continuous and quick-connect. The continuous hose
provides an uninterrupted connection from the pressure reducer to the regulator. The quick-connect
hose includes a connection positioned on the chest to provide a hose separation point to simplify regu-
lator removal for testing and repair.
2.3

Heads-Up Display (HUD)

The HUD is integrated into the regulator and projects light into the facepiece. The HUD lets users see
the cylinder pressure and alarm status while wearing the SCBA. The HUD receives power and infor-
mation about the SCBA and PASS device from the power module. The HUD has seven LEDs that are
divided between the left and right sides to improve visibility and clarity. A light sensor in the regulator
adjusts the LED intensity according to ambient light conditions (optional setting).
G1 SCBA 2018 Edition
Description
US
15