55
Radio Communications (lower c display)
Call to ARC. E.g. intruder, PA, open, close, test
On radio path.
Radio Communications (upper c display)
Polling call. On radio path.
Wired Communications (large C)
Call to ARC. E.g. intruder, PA, open, close, test
On Telephone line (PSTN) or on LAN paths
Call Progress
C1 = Comms active. Dialling numbers.
C2 = Comms active. Waiting for ARC Rx 'handshake'.
C3 = Comms active. Sending data to the ARC.
A = Comms successful. Data received at the ARC.
Low Supply Voltage
The Supply voltage is too low for correct operation, or it
is dipping low when the DualCom is active.
Table 33
APPENDIX 1
The 7 Segment Display - Communication Mode
c
1
c
1
C
1
C
2
C
3
A
X X
= Display
B
= Push Buttons
A
L o