GAI-Tronics XAAB002A Audio Accessory Box - Manual (Page 20)

Installation Model XAAB002A Audio Accessory Box
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Table 13. SWA Switch Settings
Switch Position Function
SWA-1 On
Off
Not used
SWA-2 On
Off
Mic loop-back test
Normal
SWA-3 On
Off
BOOM MIC - add 25 dB gain
SWA-3 and SWA-4 = fixed gain
SWA-4 On
Off
BOOM MIC - add 36 dB gain
SWA-3 and SWA-4 = fixed gain
SWA-5 On
Off
HEADSET MIC - add 10 dB gain
20 dB loss
SWA-6 On
Off
DESK MIC 10 dB gain
20 dB loss
SWA-7 On
Off
Ixx HANDSET MIC 10 dB gain
Unity gain
SWA-8 On
Off
Bias voltage to BOOM MIC
No bias voltage
Table 14. SWB Switch Settings
Switch Position Function
SWB-1 On
Off
Enable DC POWER input from DESK MIC
AUX POWER only
SWB-2 On
Off
HEADSET sense generates Ixx OFF-HOOK
No effect on off hook
SWB-3 On
Off
Lock HEADSET SENSE gating function ON
Normal
SWB-4 On
Off
FOOTSW TRANSMIT enables DESK MIC
DESK MIC enabled only with desk mic PTT
SWB-5 On
Off
FOOTSW TRANSMIT enables BOOM MIC
BOOM MIC disable
SWB-6 On
Off
FOOTSW MONITOR mutes TELEPHONE RX audio
No mute
SWB-7 On
Off
DESK MIC OUT MONITOR logic LOW
Output logic HI
SWB-8 On
Off
DESK MIC INPUT MONITOR logic LOW
Input logic HI