
Follow the appropriate procedure below to identify any voice terminals in the system that are membrane-button rather than BIS/HFAI (raised button) models.
With a Display Console
1 Enter administration mode by sliding the T/P switch to P.
2 Press Conference twice.
The administration menu appears.
3 Press [Stations], [More], [BIS/HFAI]
4 Press the Auto intercom button until your selection is shown:
Green light on = BIS/HFAI voice terminal (raised buttons) Green light off= flat membrane-button voice terminal
5 Press Conference to return to the administration menu or leave administration mode by sliding the T/P switch to the center position.
With a BIS-34D Console
1Enter administration mode by sliding the T/P switch to P.
2Press Conference twice.
Lights flash next to Adm Tel, Adm Pool, Message and Speaker.
3Press Message.
Light goes steady next to Message. All flashing lights go off.
4 Dial #320.
Two beeps sound.
5Press Auto Intercom button until your selection is shown:
Green light on = BIS/HFAI voice terminal (raised buttons)
Green light off= flat membrane button voice terminal