41. IMPORTANT NOTECongratulations! You have acquired the result of painstaking design and manufacturing.Thank you for having chosen our CA120 micro amplifier.In order to get the optimum operation and efficiency from your product, it is VERYIMPORTANT - before you plug anything - to read this manual very carefully and take seriously intoaccount all considerations specified within it.We strongly recommend that its maintenance be carried out by our Authorised TechnicalServices.1.1. Compliance with international standardsThe CA120 micro amplifier complies with the following international standards: EN55103-1 Electromagnetic Compatibility.Product family standard for audio, video, audio-visual and entertainment lighting controlapparatus for professional usePart 1: Emission EN55103-2 Electromagnetic Compatibility.Product family standard for audio, video, audio-visual and entertainment lighting controlapparatus for professional usePart 2: Immunity EN60065 Audio, video and similar electronic apparatus. Safety requirementsComplying with the requirements of directives 73/23/EC and 2004/108/EC2. INTRODUCTIONThe CA120 is a very small stereo amplifier with numerous remotely controlled functions (RS-232 serial port, infrared receiver, 0-10 VDC remote control port), and is ideal for integratingaudiovisual applications with other devices: educational classes, meeting rooms and multimediapresentations, business premises, etc.Main characteristics: 2 x 60 W RMS @ 4 amplifier Universal external power supply AUTO STANDBY function: in the absence of an audio signal the unit automatically goes intoSTANDBY mode, minimising power consumption Lightweight, silent, high-performance amplifier (fan-free convection cooling) Suitable for stereo and parallel (mono) 1 switchable balanced mic / unbalanced line input, with high quality microphone preamplifier,phantom power supply, noise gate and “talkover” function or priority over the rest of input 2 stereo lines (not balanced) 2-band independent tone control (Bass, Treble) for the microphone / line 3 and line 1&2 inputconnection. Auxiliary output for liaison with other amplifiers or external audio devices Local control by digital rotary knob (“encoder”) Remote control by infrared remote control Remote control by WPmVOL or WPmVOL-SR (0-10 VDC) wall panel RS-232 control port, compatible with EclerCOMM software (free) and control protocol CA-NET MUTE port to silence the entire unit by closing external contact