Proel INCOM Manuale d'uso
Pagina 18

16
6. REAR PANEL
6 External AC power supply connector
7 Line level Audio output for recording purposes
8 Line Level Audio Output for external amplifiers connection purposes
9 3,5 mm Jack Connection for external microphone
10 RCA plug connection for external loudspeakers
11 VOX intervention level adjustment device ( duk king). It determines sensibility commutaion level for both
audio channels
12 External loudspeaker volume control
13 Internal loudspeaker volume control
14 ON/OFF power switch
7. INSTALLATION AND POWER SUPPLY
Attention
• Do not set the unit in ambient subject to high vibration or humidity and dust
• For installation purposes revert to authorized installer to avoid to damage the unit
• Ensure that the main power voltage is in accordance with the power supply included in the supply
8. OPERATING MODE INSTRUCTIONS- INTERPHONE USE
All the unit control purposes are set on microphone station front panel, here follow you will find the main operating
modalities and the different contol keys.
8.1 OPERATING MODALITIES
Normal full duplex operating mode – Both Audio operator and customer channels are active .
The operator and customer can speak simultaneously. In fact thanks to VOX function the channel not
under use is automatically silenced.
The operator can always force the communication towards Glass counter exterior thanks to PRIORITY key.
Half duplex operating mode – using PRIORITY key the operator can force the communication towards the
exterior making under silence the customer microphone.
PA CALL operating mode – such device allows the operator to send announcement or messages
throughout the available Public address system in the building or in the local
fig.2