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Resumen del manual
For use with an A/V decoder with its own volume control, such as the Arcam Xeta 2, set the switch to 'A/V READY'. This bypasses the Alpha 9's volume control when 'PROCESSOR/TAPE 2' input is selected, to provide a fixed gain stereo amplifier. The volume control and MUTE cannot be operated by remote in this situation. \ CAUTION: Do not set the switch to A/V READY if you have a cassette deck connected to the PROCESSOR/ TAPE 2 input. This will bypass the volume control when you push the PROCESSOR/ TAPE 2 button in and send the signal straight into the power amplifier section. This could give an extremely high sound output sufficient to damage your loudspeakers. ® LISTEN SELECTOR - Selects the input you wish to listen to. This signal also goes to the TAPE 2 output sockets for recording onto a cassette deck or for external processing. The selector can also be operated by remote control. (See Remote Control Functions). ENGLISH t© RECORD SELECTOR - Selects the input you wish to record onto TAPE 1. This operates independently of the LISTEN function. Alternatively this switch can also be used as a simple ‘second zone’ selector, routing a chosen source signal at line level to a second amplifier operating in another room in the house. © VOLUME - Adjusts the volume level of the loudspeakers and headphones. Note that with the volume at minimum it may be possible to still hear music very faintly. This is normal. The VOLUME control is motorised and can be controlled remotely with the supplied remote control handset (see Remote Control functions for more details). © PROCESSOR/TAPE 2- This is a tape loop to permit you to monitor a recording made on a 3 head cassette deck. It can also be used to enable line inputs to be sent to an external surround decoder such as the Arcam Xeta 2 for processing, before being routed back to the amplifier. For playback from a cassette deck or to reconnect the output from an AA/ processor attached to TAPE 2 press the button in. With the button out the ‘loop’ is taken out of circuit, so that the input signal chosen with the LISTEN selector is played through the amplifier. Note: PROCESSOR/TAPE 2 is not remote controllable. © DIRECT - When this button is pushed in it bypasses the bass, treble and balance controls. This affects all inputs, and will generally give a small improvement in sound quality and a useful reduction in the level of background hiss. © BASS - Rotate clockwise to boost the bass response and anti-clockwise to cut the bass response. For a flat response leave in the central 'click' position. © TREBLE - Rotate clockwise to boost the treble response and anti-clockwise to cut the treble response. For a flat response leave in the central 'click' position. ■ The range of the tone controls has been deliberately limited to approximately +/- 8dB at the frequency extremes. © BALANCE - Rotate clockwise or anti-clockwise to move the position of the stereo image. This may be necessary if it is not possible to sit centrally between the speakers. In normal use leave in the central 'click' position. © SP1 - Selects or defeats the main pair of speakers. Push the button in to select. © SP2 - Selects or defeats the secondary pair of speakers. Push the button in to select. Important note: If both switches are turned off then the amplifier will appear not to be functioning, as all speakers will be switched off! © HEADPHONES SOCKET - Accepts headphones rated between 8 ohms and 2kohms fitted with a 6.3mm stereo jack plug. If your headphones are fitted with a different plug contact your dealer for a suitable adaptor. If you wish to listen on headphones only, use SP1 and SP2 (if necessary) to mute the speakers. ■ The headphone socket is always switched on, irrespective of the positions of switches © and ©. © POWER - Switches the unit on and off. © POWER LED - The LED above the POWER switch will initially glow amber. After a few seconds, it will glow green. When the LED glows amber, the speakers are disconnected and an internal protection circuit is activated or the unit has been muted by use of the remote control. If this LED glows amber during normal use it may be due to the amplifier overheating or an output overload. Check the amplifier is properly ventilated. Switch the amplifier off and wait for 2-3 minutes before switching on again. If the LED continues to glow amber, switch the unit off, remove all the speaker cables and switch on again. If the LED goes to green upon switch on then check the speaker and speaker cables for short circuits before reconnecting them. If the LED continues to glow amber with no speakers connected contact your Arcam dealer. © REMOTE RECEIVER - The remote receiver is behind the badge in the top left hand corner of the unit. Ensure the remote receiver is not obscured or commands from the remote control handset will not be received. TAPE RECORDING ■ Both sets of tape sockets (TAPE 1 and TAPE 2) are identical in sensitivity and suitable for use wit...
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