Plantronics MHA 100 Guide De L'utilisateur page 8

Place the batteries into the MHA100 with
the + (positive side) FACING UP.
Replace the battery door by sliding it
back on to the MHA100.
NOTE:
Please remove expired batteries
to prevent leakage.
Battery Life:
continuous talk time depending
on usage and volume setting.
INSTALLATION AND OPERATION
Diagram C. Set-up of MHA100
NOTE:
Use of this product requires a
telephone with a 2.5mm jack and a com-
patible headset. If your phone does not
have a 2.5mm jack, an adapter may be
30-40 hours of