Aiphone GT-1A Operation Manual Download Page 4

- 4 -

Calling guard stations

2-6

1

 Press 

the   guard station call/light button.

•  A ring back tone sounds. 
•  The Tone off LED will flash. 

*  A busy tone is heard if the guard station is communicating with 

another device.

2

  Speak when the guard station answers the call.

* Communication ends 

automatically after 
approximately one minute.

Notes about calling and communication

•  When two or more residential/tenant stations are installed in one room, 

communication between the two cannot be established.

•  When two or more residential/tenant stations are installed in a room, if 

one is in use, the other cannot be used.

•  While the residential/tenant station is being called from another device, a 

call tone does not sound. Moreover, while the emergency alert is 
sounding, no call from another device sounds.

Doctor call

2-5

When the specified residence is called using Doctor call (automatic 
entry), the electric lock is automatically released without a door 
release operation from the residential/tenant station.

To enable Doctor call

In standby mode, press 

 the guard station call/light button while 

holding the TALK button.
* Repeat this to disable Doctor call.

•  When the Doctor call function is enabled, the Tone off LED flashes at 

approximately 3 second intervals.

1

  Press the CALL button of the entrance station to unlock the door 

without a door release operation from the residential/tenant 
station.

2

  Press the TALK button to answer the call if necessary.

*  Available depending on the equipment used in the system.

NOTES:  •  When Doctor call is enabled, the Tone Off LED function cannot 

be used. 
When calls are transferred to the guard station, door release 
with Doctor call is not possible.

 

•  The availability of this function depends on setup.

Option button

2-7

Pressing the option button allows for operation of connected units, 
such as turning lights on and off.

*  Available depending on the equipment used in the system.

*  Available depending on the equipment used in the system.

NOTE:  

A signal is output while the

 option

 button is being pressed. (The 

operation method may differ depending on the device used in 
conjunction with this unit.)

Reviews: