Proficient Audio Systems M40 User Manual (English)

Questions and Answers:

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fkimJul 31, 2025
What to do if there is no sound from speakers on Proficient Audio Systems Stereo Receiver?
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  Jorge LopezJul 31, 2025
  If you're not getting any sound from your speakers or the subwoofer isn't turning on/off with the speakers, check the following: * Confirm source audio connections. * Verify speaker connections. * Ensure speakers are turned on. * Make sure the volume is turned up and not muted. * Confirm the source is selected, turned on, and playing. * Unplug headphones if connected. * Check Pre-Out/Main In Jumper connections. * Ensure Tape Monitor is OFF if it's not the desired source. * Set the Sub Out Link S/W Switch to ON. * Verify the Sub Out Trigger connection.
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Aaron GibbsAug 6, 2025
Why isn't the remote controlling my Proficient Audio Systems Stereo Receiver M40?
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  Brian FischerAug 6, 2025
  If the remote isn't controlling your M40, try these steps: * Replace the batteries in the remote. * Make sure there's a direct line of sight from the remote to the IR Sensor on the M40 front panel. * Block any bright or high ambient light that might be interfering with the IR Sensor.
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tmitchellAug 11, 2025
How to fix Proficient Audio Systems M40 that does not power up?
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  Dominique JonesAug 12, 2025
  If your unit isn't powering up and the ON/Standby button backlight isn't lit, take these steps: * Make sure the power cord is plugged into a working 110V AC outlet. * Check that the Main Power Switch on the M40 Rear Panel is in the ON position.
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gmooreAug 18, 2025
What to do if there is no video signal on TV from Proficient Audio Systems M40?
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  Stacy HawkinsAug 18, 2025
  If you're not seeing a video signal on your TV or video display, check these: * Confirm the source video connections. * Ensure the video connection from the M40 Monitor OUT to your TV/Video Display Composite Video IN is correct. * Verify the proper TV/Video Display Composite Video Input is selected. * Confirm the source is selected, turned on, and playing.
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Rebecca ThompsonAug 23, 2025
How to improve bad reception on Proficient Audio Systems M40 Stereo Receiver?
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  Dr. Regina ClarkAug 25, 2025
  To improve reception on your M40: * Confirm the AM/FM antenna connections to the M40. * Position the antenna(s) for the best possible reception. * Move the antenna away from potential interference sources like computers, microprocessors, fluorescent lights, and motors.