User manual
Operations
22 Testboy
®
TB 5528
Changing the battery / battery status indicator
The display's battery icon indicates
when the battery is low.
Changing the battery
Push and slide the battery cover in the
direction of the arrow.
Insert a battery. Use type 9V / 6LR61.
Close the battery compartment.
Do not dispose of batteries in
normal household rubbish!
Use an authorised local col-
lection point!
Technical specifications
Display and indication LCD
Dimensions L / W / D = 150 / 65 /
25 mm
Batteries One 9-V 6LR61
Protection degree IP 20
Weight 190 g including batteries










