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Фрагмент инструкции
BEFORE USING THIS APPLIANCE, READ BACK COVER FOR FURTHER WARNINGS. CLASS B COMPUTING DEVICE: INFORMATION TO USER This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in accordance with the manufacturer’s instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • reorient the receiving antenna • relocate the equipment with respect to the receiver • move the equipment away from the receiver • plug the equipment into a different outlet so that the equipment and receiver are on different branch circuits. If necessary, the user should consult the dealer or an experienced radio-television technician for additional suggestions. The user may find the following booklet prepared by the Federal Communications Commission helpful: “How to Identify and Resolve Radio-TV Interference Problems" This booklet is available from the US Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345-4. A C J_L D G 1 FEEOBACK 5 MODULATION 5 r ^.1 Hz. 4 3 6 4 3 6 4 3 6 ✓' lO]m iOi iO}(o) (Ö) 0 10 LEVEL 0 10 0.1 Hz 10 Hz DELAY DRY OEPTH SPEED LEVEL B MILLISECONDS SVWC CLOCK H K M PROGRAM PRESET •_• I HOPE | m m LD CD _• I SYNC | _• I FACE| • I M I • I HT« I _• I HOLE I _• I PASS | PROGRAM CONTROL I I I I I I N 0 p Q R s POWER ii&f °M PROGRAMMABLE EFFECTS PROCESSOR‘ij 4530 FRONT PANEL CONTROLS INPUT LEVEL CONTROL (A) Adjusts the input sensitivity for optimum matching with the input signal. The control should be adjusted to a level that allows the Limit LED (C) to light occasionally on program peaks. Failure to adjust the Input Level control correctly may cause increased distortion and degrade the signal-to-noise performance of the unit. Note that the Input Level control operates in conjunction with the Input Level switch (BB) located on the rear panel. If the Input Level switch is incorrectly set relative to the strength of the input signal, correct adjustment of the Input Level control may be difficult or impossible. ACTIVE LED (B) Provides an indication of the minimum signal level necessary for operation of the processor. The LED illuminates 12 dB below the onset of clipping, and should illuminate frequently during a performance. LIMIT LED (C) Provides an indication that only 6 dB of headroom remains available in the processor. The LED should light occasionally during program peaks, but should not remain illuminated for extended periods of time, as this could indicate clipping and increased distortion. FEEDBACK LEVEL CONTROL (D) Adjusts the amount of regeneration for flange-type effects and the decay rate for slap-back echo effects. Rotating the control clockwise will increase the amount of regeneration or lengthen the decay rate. LFO MODULATION DEPTH CONTROL (E) Adjusts the depth of the LFO modulation or the width of the sweep. Rotating the control clockwise increases the width of the LFO sweep. The sweep of the LFO also controls the tracking of the anti-aliasing filters, eliminating increased coloration due to the extended modulation depth. LFO MODULATION SPEED CONTROL (F) Adjusts the frequency of the LFO modulator and the sweep rate of any modulated effects. Rotating the control clockwise increases the speed of the modulator. The waveshape generated by the LFO is a sine wave to produce the smoothest and most pleasing sweep effect. OUTPUT MIX LEVEL CONTROL(G) Sets the mix ratio for the delay and dry output signal levels. Rotating the control can adjust the output mix from a signal consisting of only the original unprocessed sound (fully clockwise) to a signal consisting of only the delayed signal sound (fully counterclockwise). Note that an audible drop in signal level may occur at the 1:1 mix ratio position (12 o’clock control position) due to cancellation of certain frequencies corresponding to 180-degree phase shifts. SYNC INDICATOR LED (H) Illuminates when the processor has acquired sync or trigger signal from an external source. The indicator works in conjunction with the Sync Input jack (X) or MIDI In jack (Z) on the rear panel, and with the Sync Control key (N) in the program control switch matrix to guard against changes in the delay time. The processor will respond to external signals only when the sync function has been enabled via the Sync Control key. The MIDI sync code will be recognize...