Handset Sound Signals; Backup Battery Operation - RCA 25270 User Manual

Handset Sound Signals

Signal
A long warbling tone (with ringer on)
Two short beeps (several times)
One beep every 14 seconds
One long beep after press one key
A short warbling tone (with ringer on)

Backup Battery Operation

If the power cord is not plugged into the unit, and the battery is available, the unit enters
Battery Operation Mode. In this mode, the
Signals an incoming call
Page signal
Low battery warning
Confirm
Error
base is fully functional
Meaning
.
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