Battery Status Indicator
When the startup sequence is complete, the BATTERY STATUS INDICATOR will show current battery life status.
While the unit is on, the status is updated once every second. Battery voltage status is as follows:
When the battery voltage drops below 2.4 volts, the battery outline will flash and the unit will beep once per
minute to alert the low battery condition. When battery voltage falls below 2.1 volts, the shutdown timer is
activated. If voltage stays below 2.1 volts for thirty seconds, the
HVG-001
will beep once and power off.
Battery Replacement
If unit display does not light up after holding POWER button for two seconds, check for correct battery installation.
1. Remove battery cover from back of unit (phillips screwdriver required).
2. Insert three AA alkaline batteries.
3. Replace battery cover.
Battery Status Indicator
3.5v or above
3.0 ~ 3.5v
2.7 ~ 3.0v
2.4 ~ 2.7v
2.1 ~ 2.4v