The DPM 9220 is operated with two standard AAA alkaline batteries. You can also run the DPM 9220 from the
mains power supply. You should only use the Philips power supply LFH 9145 for running the DPM from the
The power indicator on the display may appear as follows:
: The batteries are full (100%).
: 4/5 of the battery power is available (80%).
: 3/5 of the battery power available (60%).
: 2/5 of the battery power available (40%).
: 1/5 of the battery power available (20%).
: The batteries are empty and should be replaced.
If the batteries are dangerously low and should be replaced or recharged, this symbol is displayed:
Note: If the power level in the batteries drops below 2.0 V, no recording or playback is possible.
The DPM 9220 can also be operated with rechargable batteries, for example, Philips LFH 9144. To recharge the
batteries, they have to be removed from the device and recharged externally.
DPM 9220 - User Manual