APC Back-UPS 电源备用电源说明书 Safety Specifications Connect the Battery The Back-UPS is shipped with one battery cable disconnected. Remove the “Stop!Connect the Battery” label that covers the outlets. Prior to connecting any equipment to the unit, connect the battery cable to the unused ...
On (Off 4 beeps repeated On-Battery - The Back-UPS is supplying battery power during 4 every 30 seconds beeps) Flashing Rapid Beeping Low Battery Warning - The Back-UPS has 2 minutes of runtime remaining (every 1/2 second) Constant tone Bad Battery Detected - The battery needs to be ...