OPERATION & SPECIFICATIONS
SPECIFICATIONS:
Power Source: 15V AC. Use 1 PT-1211C per DB-1MD, and 1 PT-1211C per 2 DB-1SD’s.
Current Consumption: DB-1MD: (Max) 320mA, DB-1SD: (Max) 115mA
Power Consumption: DB-1MD: Standby 0.6W Max 5.6W, DB-1SD: Standby 0.2W Max 1.6W
Calling: 4-stroke Chime (Ding-dong, Ding-dong)
Communication: Hands-free or push-to-talk (PTT)
Dimensions (HxWxD): DB-1MD/DB-1SD: 7-5/16" x 3-1/8" x 1-1/16"
DA-1DS: 6-7/8" x 4" x 7/8"
PT-1211C: 3" x 2-3/8" x 1-7/8"
Door Release
output rating: 70Ω, AC 9.5V~20V
Aiphone Communication Systems
1700 130th Ave. N.E.
Bellevue, WA 98005
(425) 455-0510
FAX (425) 455-0071
Pg. 4
DB Instr.
1009JD
Toll Free Technical Support:
1-800-692-0200
OPERATION:
Hands-Free Mode:
1. Push call button at the door station.
2. The chime tone sounds.
3. Push the TALK button momentarily and after beep, communicate hands-free. Transmit LED
lights up when you talk and goes off when you listen to the caller.
▲During standby mode, communication with the door station can be established from any
interior station by pushing the TALK button.
4. When finished communicating, pushing OFF button will end communication. If OFF is not
pressed, communication will end automatically after approximately 1 minute.
Push-to-Talk (PTT) Mode:
5. If the TALK button is pressed again and held down for 1 second or longer, another beep
tone will sound indicating that PTT mode is engaged.
6. When communicating, keep the TALK button pressed. To hear the caller’s voice, release the
TALK button.
7. When finished communicating, push the OFF button to end communication. If OFF is not
pressed, communication will end automatically after approximately 1 minute.
Activating door release:
8. Push DOOR RELEASE button.
9. The door release is activated as long as the DOOR RELEASE button is pressed. When
communication is active, audio will be muted while the DOOR RELEASE button is
pressed.
Room-to-Room Communication:
10. When the CALL button is pressed, a chime tone will sound at all other interior units and
you can communicate hands-free from the calling unit to all other units in the system.
Communication will time out after approximately 1 minute if there is no answer.
11. If the TALK button is pressed at any one of the called units, hands-free communication is
established between the unit that initiated the call and the unit that answered the call.
12. Press the OFF button on either unit to end the communication. If the OFF button is not
pressed, room-to-room communication will end after approximately 10 minutes.
▲ If the DOOR RELEASE button or call button of the door station is pressed during room-to-
room communication, communication will end.
▲ A beeping sound will occur indicating and error if the TALK button or CALL button is
pressed while another inside unit is being used.
Option button:
13. Press the option button to trigger any 3
rd
party optional device (such as a light). The option
button will not function when the door release is being activated.
(2 pages)
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