Summary of Contents for Formula Sound GUARDIAN CX4 MK II
- Page 1 GUARDIAN CX4 MK III PRIORITY INTERFACE AND SOUND LEVEL CONTROL USERS MANUAL Lime Technologies http://limetechnologies.co.uk Tel: 08712 233127...
- Page 2 GUARDIAN CX4 MKIII The Guardian CX4 MKIII performs the same functions as the CX4 mk2 but with added features and options:- Two independent sound level control circuits (Channels 1&2 and Channels 3&4). Security loops with adjustable sound level attenuation (Dim). Improved noise limiter section incorporating a slow acting average limiter and a separately adjustable peak limiter.
- Page 3 The factory setting is voltage mode. Volts applied to trigger the voltage required is (18-24Vdc). The current required is minimal, less than 10mA. The polarity is not critical. This voltage may be provided by the fire alarm panel or other suitable source.
- Page 4 Connect the priority source to the socket marked “IN” under the “MIC OR LINE I/P” section, the priority source will now be available from the adjacent socket marked “OUT” until the priority is triggered. If the priority source is required for normal day to day use it may be used by connecting to the “OUT” connector. To set the control protocol, on the PCB behind the front panel locate relevant jumpers for control input (towards left of front) and follow legend on PCB to set as required.
- Page 5 Internal options N.B. Internal settings should be undertaken by skilled personnel only DISCONNECT THE UNIT FROM THE MAINS SUPPLY Remove the top case cover by removing 6 screws located at the sides of the unit and 2 screws located on the top of the unit.
- Page 6 GUARDIAN CX4 MKIII TECHNICAL SPECIFICATION Gain Normal operation, unity gain +0dB -1dB Frequency Response 20Hz - 20KHz + 0.5dB -1dB Distortion THD @ 1KHz O/P +20dBU <.015% (Typically .007%) Noise < -90dBU EIN Inputs Balanced Connector type Input impedance > 30K Ohms Max input level +22dBU Outputs...
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Page 8: Certificate Of Conformity
FORMULA SOUND LIMITED UNIT 23; STADIUM BUSINESS CENTRE; NORTH END ROAD; WEMBLEY; MIDDLESEX; HA9 0AT TELEPHONE +44 (0)208-900-0947 FAX +44 (0)208-903-8657 www.formula-sound.co.uk email info@formula-sound.co.uk E.U. CERTIFICATE OF CONFORMITY We declare that the products listed conform to the following directives and standards...
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