Philips SBC HM800 User's Manual
Contents
1. English Instruction for use IR sound system I Introduction CONGRATULATIONS You have just bought a most sophisticated stereo Infra Red IR sound system This system gives you complete freedom to enjoy your music without the inconvenience and limitations of headphone cables To ensure the best performance of your stereo IR system please read this document carefully 2 Features Transmits the stereo audio signal from your audio or video source to your IR headphone without wires Uses high frequency IR rays to carry audio signal ensuring clear sharp reception Automatic Level Control ALC prevents overloading of the transmitter over a wide level of input signal Mute function to suppress excessive noise when there is no input signal 3 What is included In this set the following components are included 1 IR stereo transmitter 2 IR stereo headphone 3 AC DC adaptor 4 HiFi audio cable 5 Instructions for use Explanation of controls On the IR stereo transmitter see figure 1 1 IR transmitting LEDs to transmit audio signal to IR headphone 2 DC input connector to power the IR transmitter 3 Power on off switch 4 Input 3 5 mm jack connector for input of audio signal On the IR stereo headphone receiver see figure 2 5 Power on off switch 6 Power on off LED indicator 7 Volume control 8 IR sensors to receive IR light from the transmitter Installation 1 Connect the st2. ade the audio signal and cause interference If you experience such problems simply move the system to a darker area Specifications System Infra Red IR Carrier frequency Left channel 2 3 MHz Right channel 2 8 MHz Modulation FM Power supply transmitter 200 mA 12V DC Power supply headphone 2 x R3 AAA batteries Frequency range 18 22 000 Hz SIN ratio 250 dB Distortion lt 0 5 THD Channel separation gt 40 dB Explanation of Controls SBC HM800 7 8 3 a g cD CS TV SET ae ote aes hipaa er 3 5 MM STEREO JACK _ _ Figure 3 PHILIPS Instructions for use Mode d emploi Gebrauchsanleitung Gebruiksaanwijzing Instruzioni d uso Instrucciones Modo de emprego Bruksanvisning EARRAS PHILIPS SBC HM800
3. ereo audio signal to the IR transmitter with the HiFi cable as shown in Figure 2 Insert the DC connector of the AC DC adaptor into the 12V DC input connector on the rear of the IR transmitter as shown in figure 3 Ensure that the rated voltage of the AC DC adaptor is the same as the mains voltage before plugging it into the mains power wall outlet 4 Insert two batteries R3 AAA into the battery compartments as shown in figure 2 ensuring that the polarity is correct SBC HM800 6 Operation Switch on the IR transmitter and place it at the same height or slightly higher than the reception height of the IR headphone 2 Position the LEDs towards the listening area ensuring that there are no obstacles in between 3 Switch the IR headphone on 4 Set the volume control to maximum on the IR headphone 5 While listening to your IR headhone adjust the volume of the signal source to the headphone s maximum acceptable sound level 6 Adjust volume control of the IR stereo headphone to a comfortable listening level Positioning of IR transmitter 1 Place the IR transmitter unit so that the IR window approximately faces the centre of your listening area see figure 3 2 Because IR light travels in a straight line place the IR transmitter at the same height or slightly higher than the reception height of the IR headphone 3 High IR light content such as sunlight and bright incandescent indoor lighting may degr
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