Sherbourn Technologies PT-7010A owner manual Crossover Adjustment, Subwoofer Mode, VIDEO Menu

SPEAKER POSITION LEVEL (in dB)

LEFT MAIN SPKR

CENTER SPEAKER

RIGHT MAIN SPKR

RIGHT SIDE AXIS

RIGHT SURROUND

RIGHT SURR BACK

LEFT SURR BACK

LEFT SURROUND

LEFT SIDE AXIS

SUBWOOFER

The main volume control adjusts the volume of all of the speakers up and down at the same time. They keep the same relative levels as were originally selected.

Dolby Digital, Dolby Pro Logic and DTS soundtracks are designed to be played back on a properly calibrated Home Theater. The sounds from each speaker will be at the correct relative levels, as the movie sound director designed them. Repeat the calibration if you change any speakers or your external power amplifiers. You should also run a new calibration whenever you move your seating relative to the speakers.

Note: The range of adjustment is +/- 10 dB for each speaker.

Crossover Adjustment

The bass management system built into the PT-7010A

allows you to redirect the low frequencies of your main and surround speakers to a subwoofer. The crossover point of the left and right main speakers can be selected from 40 Hz to 160 Hz. There is an additional selection for the center and surround speakers with the same range of adjustment between 40-160Hz.

If you set the L-R CROSSOVER to 80 HZ (a good starting point), left and right channel main speakers set to SMALL receive frequencies above 80 Hz. The frequencies below 80 Hz are then redirected to the subwoofer. The same scenario applies to the C-SURRsetting for center and surround speakers.

Most manufacturers provide a -3 dB specification for their speakers. This is the frequency where the speaker’s output has dropped by 3 dB. Set the PT-7010A crossover to this frequency or above. If you cannot find this, set the crossover to 80 Hz (the default). Set your subwoofer’s own crossover control to maximum frequency or bypassed mode. If it is set lower than the PT-7010A, there would be a hole in the mid bass, and bass information would be missing.

Subwoofer Mode

The subwoofer output can be set to NORMAL or

ENHANCED BASS mode.

The Enhanced Bass mode provides an output to your subwoofer even when you are listening to a stereo source with main speakers set to LARGE. In the Normal mode, there would be no subwoofer output in this case, and the bass would only come from the main speakers. The Enhanced Bass mode has no effect if the main speakers are set to SMALL, as the subwoofer is automatically engaged. It also has no effect in 5.1 or greater surround modes.

VIDEO Menu

OSD POPUP (Volume, Source, and Mode)

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