EXFO MaxTester Series - Manual (Page 2)

P/N: 1064921 November, 2013 2/8
To replace the main battery:
1. Press and hold the On/Off button a few seconds until the unit beeps
once to put it in shutdown mode.
2. Disconnect the unit from its external power source.
3. Put on an antistatic wrist (or ankle) strap and ensure that the end of its
wire is grounded properly.
4. Position the unit so that its front panel rests on a flat surface such as a
table.
5. Using the provided hex key (“Allen” key), remove the two top screws
that secure the back of the unit in place.
C
AUTION
Use lithium-polymer batteries of the same type and model only. Use
of other batteries may damage your unit and compromise your
safety.
Top screws securing the
back of the unit