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Resumen del manual
In order to get the fullest use of the functions provided by the BX-4, and be assured continuing satisfaction, please read these Instructions carefully. O The BX-4 is a compact, light-weight mixer offering stereo output. O A wide range of inputs, from microphone to line, are accommodated thanks to provision of Gain Knobs. O An Overload Indicator provides for mixing at the best level possible, with noise and distortion minimized. O Equipped with Headphones Jack, convenient for individual practice. O In addition to battery power, ordinary household current can be used as well, through connection of the AC adaptor (PSA Series; optional). I—tf^I I__ J Ur 4CHANNGL STEREO miX€R ■ Panel Description © Pilot Indicator Lights up when the power is turned “ON" to indicate that the unit is ready for operation. * When this indicator becomes dimmed, or no longer lights, promptly replace the battery. 0 Overload Indicators (L, R) Light up when the mixed signals are too great. Should they light too frequently, rotate the Gain Knob for each channel counterclockwiseCO) to decrease the gain. * These indicators light up at a point 6 dB prior to the clipping level {level at which distortion starts to occur), as determined by the internal circuitry, regardless of the position Master Volume is at. @ Master Volume Provides for adjustment of overall volume, after the signals have been mixed. When rotated clockwise(O), the volume increases; and when rotated counterclockwise(O), the volume is decreased. This knob works in common tor both L and R, and is used to adjust what is output from the Output Jacks as well as the volume obtained through headphones, i 6 Input Jacks (channels 1 through 4) Jacks used to connect equipment providing input (microphones, electronic musical instruments, tape recorders, CD players, etc.), O Gain Knobs (channels 1 through 4) Used to adjust the gain for each channel in order to achieve conditions that result in the least amount of noise and distortion in the input lor each channel, for the purposes of mixing. When rotated clockwiset C*), the gain is increased {volume becomes greater). When rotated counterclockwise(O), the gain is decreased (volume becomes lower), O Panpot Knobs (channels 1 through 4) Pan the input on each channel to the left or right {L, R). When at center (the center click position), the amplitude for left (L) and right (R) will be equal, and the sound image for the stereo field will be oriented at the center. When rotated counterclockwise(O), the sound image shifts to the (eft, and when rotated clockwise(O) it shifts to the right. Q Channel Volume Knobs (channels 1 through 4) Adjust the volume for each channel. When rotated clockwise{0), the volume becomes greater; and when rotated counterclockwise (O), the volume is decreased. Ordinarily, they are used while set at the blue colored markings. ■ How to Change the Battery (1) Remove the battery compartment cover from the rear panel. (2) Take out the old battery and put in a fresh one. § Output Jacks (L, R) Jacks providing output of the mixed signals. Can be connected with power amplifier, cassette deck, or the like. O Headphones Jack Jack which accepts connection of stereo headphones. The volume obtained through headphones is adjusted using Master Volume. * To avoid excessive strain on ears, or damage to headphones, never turn power an or off while headphones are connected. 9 Power Switch When power is turned "ON" the Pilot Indicator lights, showing that the unit is ready for operation. * Before turning the power on or off, always pull out the plug for any headphones, and turn Master Volume down to “O'. © AC Adaptor Jack Jack which accepts connection of an AC adaptor (BOSS PSA Series; optional) * During use of an AC adaptor, the battery wil) not be used even if it remains installed. * if battery power is not to be used for an extended period of time, the battery should be removed. Otherwise, you risk causing malfunction resulting from battery leakage. (3) Make sure the battery is installed in the compartment as shown m the illustration. (4) Replace the cover on the battery compartment. ■ Connections 1 AC Adaptor (PSA Series:Optiona!) s{qbdss| MA*B MA-E 1 V ^ - J Cassette Deck lo o o o O Microphone BÖ« ■IBllllii Keyboard Cassette Deck C.D. Player Operation (1) Turn off the power on the BX-4 and on all other devices being connected. (6) Adjust the volume for each channel using their Gain Knobs. (2) Once all cables are connected properly, for each channel set the Gain Knob at "LINE" and Channel Volume at ”7" (position of markings}. Then set the Master Volume at "O'. * To obtain an optimum mix, with the least amount of noise or distortion, adjust the gain so you get the Overload Indicator lighting momentarily when the signals are at their peak. (3) Turn the power switch "ON". * If at this time the Pilot Indicator seems dimmed, or does not light, it means that the ...