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Hearing aid T-mode compatibility symbol*1
OPTION button
TONE OFF LED (orange)
When TONE OFF is set, the LED blinks every 5.5 seconds.
Handset
Door release button
Security guard station call/light button
Buzzer sound hole
*1: This unit emits an electromagnetic field for hearing aids with a
T-mode to produce clear audio.
Off-Moderate-Loud
Call tone volume control switch
Adjust the call tone volume.