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11. Optional voice over module ( A 2072) can be attached to the A 2073 via the 5 pin header connector. When fitted the
voice over module will play the message recorded twice after four cycles of the evac tone (refer to A 2072 instructions
for operation details). Note: this voice-over module will only operate when the A 2073 is in evac mode.
12. Output level trimpots are available for the chime, alert/evac tones and voice over.
13. The A 2073 is equipped with a "switch over" option. This switches the Alert tone to the Evacuation tone automatical-
ly. Switch 1 turns ON the "switch over" option as well as adjusting the time that the Alert tone will sound for before
switching to the Evacuation tone. See table 2 for selection details.
Fig 1: Remote trigger contacts.
Table 1: Jumper 1 Settings
J1 fitted
Repeating Bing
J1 not fitted
Single Bing
Table 2: Switch 1 Settings
SW1 Position
0
1
Alert swtiches to Evac after 30 seconds
2
Alert swtiches to Evac after 60 seconds
3
Alert swtiches to Evac after 90 seconds
4
Alert swtiches to Evac after 120 seconds
5
Alert swtiches to Evac after 150 seconds
6
Alert swtiches to Evac after 180 seconds
7
Alert swtiches to Evac after 210 seconds
8
Alert swtiches to Evac after 240 seconds
9
Alert swtiches to Evac after 270 seconds
CH1 CH2
C
EV
AL
REDBACK A 2073 Alert Evac Option
CH1
CH2
Repeating Bong
Single Bing Bong
Switch Over Option
Disabled
Voice over
module header
Alert/Evac
level
Chime
Voice over
level
level
Fig 2: Board layout of the A 2073 alert/evac module
Switch 1
Jumper 1
10 Way IDC
Cable (To amplifier)
Remote contacts
Page 2
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