Proel INCOM - Manuale (Pagina 20)

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9.3 INTERPHONE stand position
The interphone microphone stand must be set on a stable plan and in the front-office personnel side.
Such microphone station must be set to allow an easy operator access to the different keys Fig.5.
The external power supply unit must be set close to a main power supply source and to the glass counter
and preferably automatic switch purposes protected.
9.4 SETTING AND ADJUSTMENT
Setting level
On the rear microphone desk station are present volume trimmer control for both sides . Front- office
personnel and customer: keys 12 and 13.
Key 11 corresponds to the trimmer for VOX intervention adjustment level
INCOM system is supplied by the producer with standard factory adjustments. If necessary during
the installation further adjustments can be carried to ensure the best performance and acoustic
system efficiency .
To ensure such adjustment, position up the 3 trimmers cursor while speaking at 20/25 cm using the
customer side microphone , set slowly toward left the trimmer cursor 11 VOX. Ensure that all the words
pronounced are perfectly audible without sentences loose or dispersion.
Set finally trimmer 12 and 13 to ensure a sufficient volume level for both side front-office personnel and for
the customer keeping as far as possible critical acoustic condition due to LARSEN effect.
10. TECHNICAL CHARACTERISTICS
MODEL INCOM
Auxiliary output: 500mV/600ohm
REC output: 500mV/600ohm
S/N Ratio: > 80dB
Frequency response: 300-10KHz
Power RMS 5W both sides
Power supply 14VDC
The product is in compliance with Directive
89/336/EEC (Electromagnetic Compatibility)
and following amendments 92/31/EEC and 93/68/EEC, as the following standards:
EN 50082-1:1997, EN 55013:1990, EN 55020:1994
it is also in compliance with Directive 73/23/EEC (Low Voltage)
and following amendments 93/68/EEC, as the following standard:
EN 60065:1998
CUSTOMER SIDE EMPLOYEE SIDE
fig.5