Clarson PUBLIC IV Service And Installation Instructions

Table of Contents
Key functions, LED signals ......................................................................................................................... 10
PTT mode .................................................................................................................................................. 10
Service settings ......................................................................................................................................... 11
Volume control ......................................................................................................................................... 11
External connections for headset, audio player, audio recorder .............................................................. 11
Installation instructions .......................................................................................................................... 4/5
Installation intercom .............................................................................................................................. 6/7
Installation intercom with footswitch..................................................................................................... 8/9
Installation microphone ......................................................................................................................... 7/9
Installation loudspeaker ......................................................................................................................... 7/9
Features
•
Open duplex
•
Push-to-talk
•
Headset interface
•
Speech key control via footswitch
•
Music input
•
Recording possibility
•
AEC (Automatic echo cancellation)
•
NR (Noise reduction)
•
NG (Noise gate)
•
Individual volume control for loudspeaker / microphone/ headset /
audio via +/- keys
•
Balanced microphone inputs
Technical Data
Voltage/power ...................................................................................................................... 15VDC/700mA
Maximum power consumption (limited by power supply) ................................................................ <15W
Power consumption in OFF-mode ................................................................................................... <0.15W
Maximum output impedance (no continuous operation) at 8Ω/channel .............................................. 5W
Minimum loudspeaker impedance .......................................................................................................... 8Ω
Audio IN-input level/input impedance ................................................................................... 30mV
REC OUT-output level/output impedance .............................................................................. 20mV
Temperature : ................................................................................................................................ 10 - 40 °C
Humidity: .....................................................................................................20 % to 75 % (non condensing)
Air pressure: ................................................................................................................ 700 hPa to 1060 hPa
(1)
Connect Audio IN to the headphone jack of the audio source.
Tune output level of the audio source in such a way that in case of maximum volume overmodulation of the intercom system
is avoided.
(2)
This value depends on the volume set, on the speech volume and on the distance to the microphone.
Service and Installation Instructions
(1)
/47kΩ
(2)
/10kΩ
PUBLIC IV
Intercom Ceiling LED
35.054.440.007 07/2020