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Фрагмент инструкции
The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable. 5 Panel Descriptions Front Panel PM-1 w\ V* % -1 1. Volume Knob These adjust the individual channel volume levels. The volume increases as the knobs are turned further to the right (clockwise). CH1 This accepts input levels ranging from mic input (-50 dBu) to line level from sound modules and other equipment (-20 dBu). CH2, CH3 These accept line level input from sound modules and other equipment (-20 dBu). CH4 (Monitor Function) This accepts line level input from sound modules and other equipment (-20 dBu). Signals input to CH4 Eire output not to the LINE OUT jack (9), but directly to the PM-l's speakers or to headphones. This is used for talkback from the main PA, or for other applications, such as when one performer wants to monitor the click track while synchronizing the performance with a sequencer. 2. EQUALIZER Controls The PM-1 is equipped with a two-band equalizer, making it possible for you to create a variety of sounds. BASS knob This adjusts the volume of the bass. TREBLE knob This adjusts the volume of the treble. 3. MASTER Controls These controls control the output of the built-in speaker and the PHONES jack. VOLUME knob This adjusts the volume. PHONES (headphones) jack Connect the headphones. No sound is output from the PM-l's speakers when headphones are connected. * Always be sure to lower the MASTER VOLUME to zero whenever connecting and disconnecting headphones. * Although the PHONES jack accepts stereo plugs, the audio output is mono. 4. POWER Indicator When the power is on, the pilot light will be lit. 5. POWER Switch This switch turns the power on/off. * Always be sure to lower the volume on the PM-1 and any connected equipment to zero whenever turning the power on or off. * This unit is equipped with a protection circuit. A brief interval (a few seconds) after power up is required before the unit will operate normally. Even with the volume all the way down, you may still hear some sound when the power is switched on, but this is normal, and does not indicate a malfunction. 6 Panel Descriptions Rear Panel 6.CH1 Input Jack Accepts input levels ranging from mic input (-50 dBu) to line level (-20 dBu). In addition to a 1/4" phone jack, this channel is also equipped with a balanced XLR connector useful for connecting mics. Use this for connecting mics, digital percussion, sound modules, and other input devices. 7.CH2 and CH3 Input Jacks These are 1/4" phone input jacks that accept line level input (-20 dBu). Use for connecting digital percussion, sound modules, and other input devices. 8.CH4 Input Jack (Monitor Function) This is a 1/4" phone input jack that accepts line level input (-20 dBu). Use for connecting digital percussion, sound modules, and other input devices, and for talkback from PAs. Signals input here are output not to the LINE OUT jack (9), but directly to the PM-l's speakers or to headphones. This is used for talkback from the main PA, or for other applications, such as when one performer wants to monitor the click track while synchronizing the performance with a sequencer. * When the LINE OUT jack (9) is not being used, this channel can be used in the same manner as the other channels. 9. LINE OUT Jack This output jack is connected to inputs that accept +4 dBu line level input. Connect mixers, recorders, and other such equipment here. * Signals input to the CH4 input jack (8) are not output here. 7 jjiO ill o zS ° S l| IS £ ■ I ''O }■ >■ 8 9 Making Connections Mixer To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections. Set all of the PM-l's channel volume knobs as well as the MASTER VOLUME knob to zero. The pin assignment for the XLR type connectors is as shown below. Before making any connections, make sure that this pin assignment is compatible with that of all your other devices.