AT&T 929 ユーザーズマニュアル
16
Technical specifications
REN
1.5B
Power
Line feed voltage 48V +/- 2V
Line loop current 18mA to 100mA
Ringer levels
Off = 0dB
HI = 85dB
Compliance
FCC and UL approved
Memory
One-touch memory: 3 memory locations,
16 digits per location
Two-touch memory: 10 memory locations,
16 digits per location
Appendix
Three AA batteries are required for
backlighting of the
backlighting of the
AUDIO ASSIST, MUTE
and
lights. The telephone must also
be connected to a telephone line for all
features to work.
features to work.