Setting Alert To Evac Changeover Times; Audio Connections - Redback A 2078B Operating Manual

Redback® A 4500A Evac Controller & Timer
2.8 EV CHANGEOVER
P
ress the "Menu" button on the front of the timer. The unit is now in "Menu Mode" and the screen should display the
"Times Adjust" Screen. This is the first of 5 sub menu screens which are navigated by pressing the up and down buttons
as shown in Fig 2.19. Pressing the Menu button again will exit the menu structure and return the user to the Main Screen.
Select the EV CHANGEOVER sub menu.
After selecting this option, the screen as shown in Fig 2.24 should appear.
This option allows the user to enter the automatic switch over time between the Alert and Evac cycles.
NOTE: This affects the front panel Alert and Evac buttons and the rear Alert and Evac contacts.
Press the "UP" and "DOWN" buttons to scroll through the various times available and press enter when the desired switch-
over time is highlighted. The changeover times go up in 10 second intervals up to 600 seconds.
NOTE: If the changeover time is set to "0" the changeover will be de-activated and therefore the unit will not switch over
from the Alert cycle to the Evac cycle automatically.

2.9 AUDIO CONNECTIONS

Audio Output:
This output consists of stereo RCA sockets with an output of 0dBm into a 600Ω input. This is suitable for most PA
amplifier auxiliary inputs.
Rear Panel Volume Controls:
The output levels of the Alert/Evac, Prebell, Bell, Music and Voice Over tones can all be adjusted via trimpots located on the
rear of the unit.
18 Redback® Proudly Made In Australia
EVAC CHANGEOVER
Fig 2.24
0 SECONDS
Setup
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