Assessments - 2, GPA: 4
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Facilidade de uso
Connecting signals to both types of inputs on any one channel (MIC and LINE in) is not recommended. To do so may change the gain of the input circuit. Note: You may connect a stereo source to channels 1 through 6 but you must use two channels, one for left and one for right and Pan appropriately or sum to mono using a ‘Y’ cable. 2. Channel 1-6 TRIM Controls and SET LEDs The first 6 mono channels of the M810/M1610 have been equipped with an input TRIM control and are also protected by an overload protection circuit. The TRIM controls are used to make sure that an ideal signal level is flowing through the channel, no matter what the input source. Each channel has a green LED that will flash when the proper signal level has been reached. The channel overload protection circuit will provide additional protection from clipping on peaks of up to 16 dB above normal operating levels. To set the TRIM i. Turn down the channel LEVEL control, ii. With a normal signal present at the input, turn up the TRIM control until the green LED just starts to flash (when the signal peaks). iii. You can then use the LEVEL control to set the channel volume level. Increasing the TRIM beyond this point will compress the signal on that channel. 3. Channel LEVEL Controls and CLIP LEDs This adjustment determines the signal level sent to the MAIN mixing bus. The CLIP LED will illuminate when the channel’s overall signal level is 3 dB below the onset of actual clipping. As a result, small amounts of clip LED activity are acceptable, however frequent or continuous activity indicates the need to turn down the LEVEL control. In audio terminology, a bus is a mix-down channel where all the signals from the input channels are blended into one signal. The M810/M1610 has 5 busses: MAIN (left and right), MONITOR, EFFECTS and RECORD OUT. 4. Channel Lo, Mid, and Hi Equalization The M810/M1610 tone controls adjust the bass, middle and treble frequencies for each channel independently. Center frequencies have been carefully selected to help achieve the best quality of sound. Bass is centered on 40 Hz, Mid at 700 Hz and the Hi is at 12 kHz. The adjustment range for each control is +/- 15 dB. These parameters provide versatile equalization consistent with the clean simplicity of the M810/M1610’s design. As with equalizers, boosting one or more frequencies increase the channel’s level. If the channel is already at a high level, clipping may occur, in which case the clip LED will illuminate. Reduce the LEVEL setting and/or the Equalizer if clip activity is excessive. Note: The center position reflects a neutral or flat EQ control setting; however, turning down EQ settings can be used effectively to reduce feedback and/or distortion). 5. Channel MON Controls The MON control (monitor send) on each channel varies the amount of signal being sent to the monitor bus in the M810/M1610. In the mono channels the MON signal is pre-LEVEL control, post-EQ and post-TRIM. It is taken before the LEVEL control so the monitor signal can be mixed independently of the MAIN mix. As a result, channel EQ and TRIM settings do affect the sound of the monitor signals, while the channel LEVEL controls do not affect the MON signal. The MON signal in the stereo channels is pre-LEVEL and pre-EQ. Note: With an independent monitor mix, it may be beneficial to connect a graphic equalizer between the MON output and the monitor amplifier (Power AMP IN B, external amplifier or powered speakers, depending on how you have it set up) to help control feedback. -3-20+6+30-10+1000- 1SetLEVEL TrimdBLineMic010-15+15dB-15+15dB-15+15dB052876439110clipPanMonEFXLoMidHi1 6. Channel EFX Controls The EFX control (effects send) for each channel adjusts the level of the channel signal being sent to the M810/M1610 effects bus. This signal is post-LEVEL control and post-EQ, the sound is affected by both the channel EQ controls and the channel LEVEL control. The signal from the effects bus is internally routed to the Digital Effects Processor. The channel EFX control regulates the intensity of the built-in digital effects for the channel’s output. When using the built-in digital effects, you can connect a standard on/off footswitch (e.g. Yorkville model IFS-1A) to the EFX Out/Footswitch jack to turn the internal effects on or off. For more information see the section EFX Out/Footswitch in this manual. Tip: Alternatively, this signal at this jack can be connected to the input of an external stereo effects unit and returned via channel 7/8 or 9/10. However, if you do not require any effects at all, the effects bus output signal can be connected to the input of an additional monitor system or another amp/speaker system via the EFX Out/Footswitch jack using a standard balanced patch cord. In this case, the EFX controls would act as send controls to achieve a semi-separate mix. Remember that the channel LEVEL controls also affect this signal. 7. Channel Pan and Bal Controls The signal balance of each channel going ...
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