* Fire protection / PA system
Digital Programming Conference System
4
3.2.1 Free Speech Mode
It means that all the microphones inside the system can be freely turned on/off. The chairman
microphone priority key acts on all the delegate units.
3.2.2 First-In-First-Out Mode
It means it is able to select the quantity of delegate microphone turned on simultaneously in the system
and the microphones can be turned on in alternation within this scope (maximum 19 pcs). When the
number of delegate microphones turned on simultaneously in the system reach the setup quantity, the
turn-on of next microphone will happen with automatic turnoff of the first turn-on microphone. The
chairman microphone is free from this function limit, and the chairman microphone priority key acts on
all the delegate units.
3.2.3 Limit Speech Mode
It means it is able to select the quantity of delegate microphone turned on simultaneously in the system
and microphones can be turned on/off freely within this limit (maximum 19 pcs). When the quantity of
delegate microphone at the turn-on status reaches the setup quantity, unless turning off one working
microphone, the next unit cannot be turned on. However, the maximum turn-on quantity can only be
equal to the setup limit. Chairman microphone is free from this function limit. The priority key on it acts
on all the delegate units.
3.2.4 Three Subsidiary Modes
Chairman Only mode: It means all delegate microphones will be turned off when pressing down
the priority key on chairman microphone. Delegate microphones cannot be turned on again unless
turning off the chairman microphone.
Chairman Common mode: All the delegate microphones will be turned off if the chairman
microphone priority key is pressed down, but they can be turned on again.
Auto power off: It means the turnoff selection can be made within 30 seconds after finishing the
speech.
Chairman priority key music chime: This music chime will be activated before chairman speech
when selecting this function.
3.2.5 Free Speech Mode Setup
Press “Mode” key until indicator “Free” flashes, then press “Enter” key. In such a case, only indicator
“Free” flashes in three principal mode indicators on the front panel, and no display on digital screen. 15
seconds later, indicator “Free” stops flashing automatically, and with long-term lit status. This means
the selection of principal mode “Free Speech” has been finished. Next step will go into the setup of its
subsidiary modes: Chairman Only, Auto Power-off and Chairman Priority Key Music Prompt.
Chairman Only & Common Mode
: Press “Mode” key until indicator “C. only” flashes, then
press “Enter” key to select the operation mode of Chairman Priority. In such a case, if the
