Sony SPP-ID970 Operating Instructions Manual page 19

Notes
• When you increase the sound volume, in some cases the back ground noise
may be increased as well. You should adjust the volume accordingly.
• If your conversation is muted and "CHANNEL SEARCHING" appears on
the display, move closer to the base unit; otherwise, the call will be
disconnected after one minute.
If the battery becomes weak during a call
The handset will beep every three seconds five times and i and
"BATTERY LOW" appears on the display. Finish your call and charge
the battery pack.
For optimum performance, charge the battery for a full 12 hours.
Note that during the first 10 - 15 minutes of charging, the phone will be
inactive, i.e., unable to make or receive a call.
After this initial 10 - 15 minutes, you may be able to use the phone, but
the battery duration will be very short; thus it is recommended that
you fully charge the battery before the next usage.
continued
19 US
Basics