Planet Technology SKD-200 - Manual (Page 9)

Reversing the orientation may damage the handset.
The battery needs to be replaced if it does not recover
its full storage capacity after recharging.
When replacing batteries, always use good quality Ni-MH
re-chargeable AAA size batteries.
Never use other batteries or conventional alkaline
batteries.
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Note
Using Headset (optional)
The headset jack is located in the middle right side of
the handset and is 2.5mm standard plug.
Simply plug the headset into the jack and the headset
will be activated.
Note:
When the headset is plugged into the headset jack,
the microphone on the handset will be deactivated.
Charger
Connect the modular end of the power adapter to the
power jack of the charger, and plug the other end into
a standard AC wall outlet.
Charging Handset
9