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Holder
This operation guide describes the basic 
functions of your GT Series Tenant Station
1 / 2017
This tenant station is powered by the system and will 
always remain on. Contact the building manager if 
the tenant station in this residence is not working.
Power Source
Speaker
Push the door release 
button to unlock the 
entrance during a call.
Door Release Button
Push the option 
button to activate 
an external device 
(if included).
Option Button
Push the guard button to 
call all guard and concierge 
stations connected to the 
system (if included).
Guard Button
Push the TALK button to answer 
an incoming call. Once answered, 
conversation becomes hands‑free. 
To end the conversation, push the TALK 
button again (this does not turn off the 
station). For push‑to‑talk (PTT) mode, 
push the TALK button until a beep is 
heard. The conversation then requires 
the TALK button to be pushed and held 
while talking and released while listening. 
To end the PTT conversation, push the 
TALK button one time without holding 
(this does not turn off the station). 
Whether the conversation is hands‑free 
or PTT, the talk indicator light turns on 
while you speak and will turn off while 
your visitor speaks.
TALK Button
Use the switch to adjust 
the communication volume 
(low, medium, or high).
Volume Control
Use the switch to adjust 
the chime volume 
(off, medium, or high). 
The tone off indicator 
light blinks slowly when 
the chime is off.
Chime Volume Control
Tone Off Indicator Light
Talk Indicator Light
Microphone
GT-1A Tenant Station
GT‑1A Operation Guide 
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For complete instructions, download the manual from the manufacturer’s website: www.aiphone.com