1

NAMES

Hearing aid T-mode compatibility symbol*1

Handset

OPTION button

Security guard station call/light button

Door release button

TONE OFF LED (orange)

When TONE OFF is set, the LED blinks every 5.5 seconds.

Buzzer sound hole

Off-Moderate-Loud

Call tone volume control switch

Adjust the call tone volume.

*1: This unit emits an electromagnetic field for hearing aids with a T-mode to produce clear audio.

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Aiphone GT-1D service manual Names, Off-Moderate-Loud