Quest Engineering PR Series Owner's Manual page 16

PR-120 / PR-240 Operations
Music On Hold
Connect mixer-amplifier MUSIC ON HOLD connector to music-on-hold input on telephone inter-
face/PBX like telephone pager. Set MUSIC ON HOLD volume to proper level.
PR series mixer-amplifier supply two way of MUSIC ON HOLD function.
When MUSIC ON HOLD slide switch is "INT" position, MUSIC ON HOLD output is routed from
option CDP or MP3 module internally.
When the slide switch is "EXT" position, MUSIC ON HOLD output is routed from LINE IN chan-
nel ( only channel 6 ) connected external music source.
Telephone pager/PBX
[ Music on hold ]
Signal input gain control
PR series mixer-amplifier can accept variable and wide range input signal with trim pot.
Adjusts the trim pot in a range of 44dB to accept variabe external equipments.
Figure 3.6 shows detail input sensitivities.
[ Acceptable input sensitivity per each channels ]
Priority Control
PR series mixer-amplifier has three layer priority mute function. When higher level source is
activated, other input signals are muted except same priority level source.
CH3~CH6>CH1~CH2, Remote MIC, Chime>Telephone paging.
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