Bosch GAM 220 MF Operating/Safety Instructions Manual page 7

Inserting/Replacing the Batteries
Use alkaline (4 x AA) batteries to operate the anglefinder.
correct battery polarity may cause fire or personal injury.
To open the battery lid 5, press on the latch 6 and fold the
battery lid up. Insert the batteries (Fig. A).
Battery Indicator
The battery indicator b always displays the current bat-
tery status:
The battery is over 90 % full
The battery is between 60 % and 90 % full
The battery is between 30 % and 60 % full
The battery is between 10 % and 30 % full
The empty battery indicator flashes. The battery
level is under 10 %. Once the battery indicator be-
gins flashing, you can measure for approximately
another 15-20 minutes until the tool shuts down.
Always replace all batteries at the same time. Do not use
different brands or types of batteries together.
Remove the batteries from the digital level when not
using it for longer periods. When storing for longer peri-
ods, the batteries can corrode and self-discharge.
Slide the leg extension 17 onto the fold-out leg 1 from the
front. Slide the leg extension as far as possible over the
joint of the anglefinder.
Assembly
Ensure polarity of each battery
matches the instructions in Fig. A. In-
Mounting the Leg Extension
7