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microphone is always ''Press To Talk''. By default, the priority of the fireman microphone is
set to 1 (the highest priority) and its security and evacuation options are also ticked here.
The rest of the configuration setting of Fireman mic paging event is also identical to a Singular
type of paging event, see
5.1.8.3.1.3 MIC
The mic/line input can be used as a direct input for one external microphone and as an additional
music input. The input gain can be adjusted by means of the VOX volume control on the rear panel of
main controller.
Paging mode:
o
Modulation: The [Modulation] mode is the voice-activated (VOX) volume settings, which
allows to automatically activate the mic/line input if the level of audio is above the
specified threshold.
o
Event: Use event to activate the mic/line input.
Please make sure the VOX setting on the rear panel of BTQ-VM4/8 controller is set as
ON.
Response time: If the level of mic/line input is continuously great than the [Threshold] and is
beyond the [Response time], the mic/line input will be routed to pre-defined zones. A correct
setting of the response time can avoid false activation of the Mic/Line source (peak signal
activation). Its range can be set from 50 ms to 5000 ms.
Hold time: As opposed to the response time. The time when the level of mic/line input is
continuously less than the [Threshold] and lower than the [Response time] before. A correct
setting of hold time can avoid inopportune deactivation of the music source (pause in speech).
Its range can be set from 50 ms to 5000 ms.
Threshold (for modulation mode only): When the input volume is greater than the threshold,
the mic/line input will be routed to pre-defined zones. If the threshold is set to -10 dB, the
activation of Mic/Line source will take place when the level of Mic/Line is over -10dB.
The rest of configuration setting of MIC paging event is also identical to a Singular type of paging
event, see
