Panasonic KX-TC1703B Operating Instructions Manual page 3

For Best Performance
Battery Charge
A rechargeable Ni-Cd battery powers the
handset. Charge the battery for about
15 hours before initial use.(p. 12). The battery
is beneath
this cover.
Base Unit Location/Noise
Calls are transmitted between the base unit and the handset using
wireless radio waves. For maximum distance and noise-free
operation, the recommended base unit location is:
Away from electrical appliances in a HIGH and CENTRAL location
such as a TV or personal computer. - with no obstructions such as walls.
Raise the
antenna. . / "