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Resumen del manual
In other words, this control determines how much of the externally processed signal is mixed back into the main stereo program. 11. AUX IN The RM602 has a pair of AUX IN terminals that make it possible to mix an extra stereo signal in with the sources present at the six input channels. The AUX IN control adjusts the level of the AUX IN signal in relation to the rest of the program. What you connect to the AUX IN terminals depends entirely on your specific application, but here are just a few examples: 1. You could connect the outputs from a stereo cassette deck to the AUX IN terminals and play back a tape of your favorite band. Then you can mix in your own instrument and play along —a great way to practice. 2. With the same setup as in number 1, above, the cassette tape can be supplying background music while you mix in a narration and/or sound effects for your audio/visual show and record the mixed program on a second tape recorder. 3. Another possible use for this feature is as extra inputs if the six main input channels are all in use. An electronic keyboard or other line-level source could be connected to the AUX IN terminals with a phone-to-RCA pin plug adaptor and mixed in with the, rest of the program using the AUX control. Of course you don't get any tone control or panning capability, but if you need the extra inputs, they're available. 5 12. EFFECTS SEND MASTER LEVEL This controls sets the overall level of the effects mix— set up by the EFFECTS control on each input channel — fed to the EFFECTS SEND jack. Normally, this control . will be set to provide the optimum input level for the effects device you are using. . 13. MONITOR MASTER LEVEL This control determines the overall level of the monitor mix —set up by the MONITOR level and PAN controls on each input channel—fed to the stereo MONITOR OUT jacks and the PHONES jack. Use the master MONITOR control to set a comfortable headphone listening level. 14. MASTER FADERS These controls independently set the overall output level from the left and right stereo busses. These signals appear at the STEREO L OUT and STEREO R OUT jacks. 15. STEREO PEAK LEVEL METER In the input fader section we discussed the importance of proper fader setting in order to achieve the best possible sound quality. The RM602's LED peak meters are a tremendous aid in setting optimum fader levels. Two meters are provided - one each for the left and right stereo output channels. Each meter consists of 13 LED segments that light in sequence to show the peak signal level for the respective channel. Meter display range is from -20 dB to +8 dB. Levels below 0 dB are displayed in green, 0, +1 and +3 dB levels are displayed in orange, while +5 and +8 dB levels are displayed in red. Watching the meters you can easily see when signal levels are high enough to present a danger of overload distortion — signals that light the red LEDs are likely to cause distortion. On the other hand, if the meters almost never reach the 0 dB level, then the overall program level is too low. Once the optimum program level has been set, peaks in the program will cause the orange LEDs to flicker occasionally, and most of the green LEDs will stay lit most of the time. This applies mainly to the average music program. Some types of program will have a completely different effect on the meters, requiring appropriate level adjustment. In general, though, it is a good idea to avoid a lot of peaks in the red region. Also remember that when only one instrument is playing the level might look quite low on the meters, but when instruments connected to all six inputs start to play their individual levels can add up to overload distortion. So check the meters when the entire program is playing. 16. HEADPHONE JACK This is a convenient feature in that it lets you directly plug in any standard pair of stereo headphones'for monitoring without the need for an external amplifier. 17. POWER SWITCH This is the power switch. When the power is turned ON, the lowest position on the level meter ("oo") will light up. 6 REAR-PANEL CONNECTIONS REAR PANEL Voltage Selector (General Model Only) U.S./Canadian Model 1. CHANNEL INPUTS These jacks are the main inputs to the RM602's six input channels. They accept both line-level and microphone input depending on the setting of the respective input selector switch. Standard 1/4" phone jacks insure compatibility with just about any electronic instrument or microphone. 2. EFFECTS SEND AND RETURN The output from the EFFECTS SEND jack is fed to the input of an external signal processing device such as delay or reverb (The Yamaha D1500 is a superb digital delay unit, while the R1000 offers high-quality reverb effects). The output from the external signal processing device is then fed back to the EFFECTS RETURN jack from which it is mixed with the main stereo program via the EFFECTS RETURN level control. When the EFFECTS RETURN signal is received in stereo, input to both t...