Wired Multi-function Interphone System ZDL-99AC

Multiple internal intercom system
Extension: ZDL-99AC
Power: ZDL-1A (6 extensions equipped with a power supply)
1 Unlock intercom function
Visitors Press the door phone call button, all extensions ring, pick up the handset of any extension of a two-way
Intercom, multiple extensions can answer multi intercom, after confirmation visitors, press the unlock button on the 1st extension.
(Extension Paging switch P, must be set in the “open” state)
2 Intercom function:
Extension 1,2,3,4,5,6,7,8,9,10,up to 99 can call each other intercom. Pick up the handset Press
Corresponding extension number, the other party can answer after two-way intercom.
3.PG broadcast function
Pick up the handset, press PG key extensions can be broadcast to all functions.
(Paging extension on the back of the switch “P” must be set in the “open” state)
4 Group Call function
Pick up the handset and press to Paging extension number, you can achieve multi-intercom after the other answer.
5 speakerphone feature
Each extension built-in audio amplifier circuit, you can add a speaker.
(In the same area of the environment on multiple extensions are connected loudspeakers, the sound of the call may be jamming)

Intercom function:
Extension 1,2,3,4,5,6,7,8,9,10,up to 99 can call each other intercom. Pick up the handset Press
Corresponding extension number, the other party can answer after two-way intercom.
PG broadcast function:
Pick up the handset, press PG key extensions can be broadcast to all functions.
(Paging extension on the back of the switch “P” must be set in the “open” state)
Group Call function:
Pick up the handset and press to Paging extension number, you can achieve multi-intercom after the other answer.
Speakerphone feature:
Each extension built-in audio amplifier circuit, you can add a speaker.