3-29
Operations
5) Handset 1 is Off-Hook while another Handset is Off-Hook
Handset 1 Handset 2 Handset 3
OFF-Hook On-Hook OFF-Hook
Operation possible Operation disabled Operation limited
6) All Handsets are Off-Hook
Handset 1 Handset 2 Handset 3
OFF-Hook OFF-Hook OFF-Hook
Operation possible Operation limited Operation disabled
In cases 5 and 6 above, limited operation means the handset can talk on
the Intercom, adjust the sound volume, and make a Distress Call.
Handset Display:
The dot matrix display indicates the handset's rank. If Handset 1 has
priority, for example, the message AVAILABLE is displayed on the LCD of
Handset 1 while HANDSET 1 is displayed on the LCD of the other
handsets.
1) If all Handsets are On-Hook
Handset1 Handset 2 Handset 3
2) If only Handset 1 is Off-Hook
Handset 1 Handset 2 Handset 3