L-Acoustics LA48A User Manual
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Contents
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L-ACOUSTICS LA48a Manual V1.0 27/01/2003 75. Clip/Limit IndicatorThis indicator signals when the amplifier output is clipping or limiting. There are two different indicationstates depending on whether the rear panel clip limiter is engaged (see Sections 4.2, 8.1):• If the clip limiter is engaged, the Clip/Limit Indicator has a short time constant and illuminatesbriefly.• If the clip limiter is not engaged, the Clip/Limit Indicator has an increased time constant andilluminates for a longer period.6. Fan Grill FiltersTwo grilles with foam filters are located on the front panel in order to prevent dust from entering theamplifier. The grilles are removed by simply pulling them off, allowing for convenient cleaning of thefilters. Foam filters should be used at all times.7. Power SwitchTurns the mains power on or off.8. AC IndicatorIndicates if AC voltage is present. Note: this indicator is located electrically in front of the power switch.9. AFS IndicatorIndicates if the AFSô (Automatic Fuse Saver) current limiter is activated.3.3 REAR PANELFigure 2: LA48a Rear Panel1. Output Speaker ConnectorThe NeutrikÆ Speakon connector may be unfamiliar to some users. A full description is found in Section6.2.2. Minimum Load Selector (MLSô) SwitchThese switches are used to select the maximum output power. See Section 4.1.3. Clip Limiter SwitchTurns the clip limiter on (switch IN position) or off (switch OUT position). See Sections 4.2, 8.14. Input Signal ConnectorThe NeutrikÆ Combojack features XLR and ºî TRS phone jacks. (Pin 2 is ìhotî, see Section 6.1.1).5. Link OutputXLR male connector (5) connected in parallel to the female connector (4) for linking the channel toanother input.6. AC Power CableGain=32dB |
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