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Redback® Proudly Made In Australia 9
Redback® Hearing Loop Ampliers
Setup
2.3 DIP SWITCH SETTINGS
These switches congure the phantom power and Vox triggering function.
Switch 1 - Enables the VOX Triggering. The VOX is activated when a signal is applied to the EWIS input. The VOX
sensitivity of the EWIS input is adjusted via the (Alert/Evac Level) trimpot adjustment on the front panel. Once the VOX is
activated the Mic, Line and AUX inputs will be overridden, and the audio from the EWIS input will be output.
Switch 2 - Not Used
Switch 3 - Not Used
Switch 4 - Sets the phantom power (12V DC). The phantom power affects the Mic input Only.
2.4 LED STATUS INDICATORS
There are a series of LED’s on the front panel which indicate the following.
On
Indicates when the amplier has mains power applied.
Overtemp
Indicates when the amplier reaches a high temperature. The unit will shutdown if this occurs, preventing damage.
Signal Presence
Indicates when a signal is present at any of the Mic, Line, Aux or EWIS inputs.
VU Meter
The dB output of the amplier is indicated by the 0dB to -15dB LED’s.