Ver. 1 Rel. 05.18.18
SPEAKER SWITCH BOARD
The speaker switch board allows for the use of and I/O source to be switched. The continuous audio source "A" is interrupted by the "B" audio source. Typical uses are with voice annunciator, intercom and elevator music.
Note:
Source A is the audio signal which normally plays continuously and is the signal to be interruped.
Source B is the audio signal which is to be played upon interruption either by its presence of upon door strobe activation. This interruption mode is determined by the JP1 jumper setting.
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