Optimus NOVA-500 Manual De Instalación Y Funcionamiento página 46

5. All call key
It activates all keys assigned to paging zones.
6. Talk button
Microphone activation button. PTT or Lock mode according to NOVA‐12RM switch
configuration.
7. Power ON/OFF switch
8. Connection ports
Used to connect to the NOVA‐500 or other units.
9. Mic output sensitivity adjustment
10. MIC external Line input
Audio input at line level, 0 dB. It replaces the gooseneck MIC when connected. Jack stereo
connector is required.
11. Device ID configuration switch
Switches 1‐5 are device ID in binary, set in according: 0 OFF, 1 ON.
Switch 6: OFF: lock; ON: PTT.
Switch 7: used to check all status LED. Set it to ON to make all indicators to flash, then set back
to OFF and restart the unit to come back to normal operation.
Switch 8: device terminating resistance control. Used to finish the bus when no loop connection
is used. Set in ON to finish the bus (left picture), or to OFF to continue the loop (right picture).
12. Power indicator
Green: device is supplied correctly and power is on.
NOVA Version 1.0
NOVA
Voice Evacuation System
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