3
Charging The Battery
Always charge the QRAE II before use. To charge the QRAE II:
1. Plug the AC/DC adapter into the QRAE II’s cradle.
2. Plug the AC/DC adapter into the wall outlet.
3. Place the QRAE II into the cradle and press down until the
charging LED glows.
Red charging LED: Unit charging
Green charging LED: Unit charged
Note:
A full recharge of the Li-ion battery typically
requires six hours.
Turning The QRAE II On
Hold down [MODE] for 2 seconds. When starting up, the QRAE II simultaneously turns the backlight on and
off, beeps once, blinks once, and vibrates. It performs diagnostics and tells you current settings.
Turning The QRAE II Off
Press and hold [MODE]. In 2 seconds, a 5-second countdown to shutoff begins. You must hold your finger on
the key for the entire shutoff process. If you remove your finger from the key during the countdown, the shutoff
operation is canceled and the QRAE II continues normal operation.
Cradle
Charging
LED
