NOTICE!
Possible damages by using an external battery
Improper handling may cause an arc or short circuit between the bare ends of a
live power cable to an external battery. This can destroy the battery and there is a
fire hazard!
If you use an external battery for power supply, connect the power cord to the
screw terminal on the rear panel first. Then connect the free ends of the cables to
the battery poles. Pay attention to the polarity marking! To disconnect the bat‐
tery, unscrew the cables on the battery first, then on the terminals of the device.
Also pay attention to the safety instructions of the battery manufacturer.
Safety instructions
SA 33
11
