User's Manual

Guardhat HC-1 User Manual 35
Turning the Hard Hat ON and OFF
When the hard hat is powered off, no LEDs are illuminated.
To turn ON the hard hat, press and hold the Power Button for 3 seconds. After hard hat has booted up, you
will hear starting tone and the Status LED (see Figure 6) will light up. The color and flash pattern of the Status
LED will indicate the power level of the battery and network connection status (see Table 13).
To turn OFF the hard hat, press and hold the Power Button for 5 seconds. The Power LED will Flash Green
while hard hat is powering down.
Hard Hat Status LED
The Status LED will indicate battery level and network connection status.
Network Connection Status
Audio
Online Offline
Battery Status
Greater than
2/3 of battery
capacity
Solid Green Slow Glowing Green
none
Between 1/3 and
2/3 of battery
capacity
Solid Amber Slow Glowing Amber none
Less than 1/3 of
battery capacity
Solid Red Slow Glowing Red “Battery Low.”
Less than 2 minutes of
battery life
Flashing Red Flashing Red
“Battery critical.
Power down
initiated.”
Table 13: Status LED