Owner`s manual

3-24
Customizing the Nº502 Mark Levinson
External Noise Test
Use the External Noise Test to calibrate the output levels using an audio
calibration disc. The External Noise Test activates an appropriate surround
mode, as indicated in the table below, based on the current Main Zone
input source. All custom surround mode menu parameter settings are
ignored during the test. When the External Noise Test is complete, the
surround mode returns to its custom setting.
To Manually Calibrate the Output Levels During the External Noise Test:
1. Set the SPL meter to “C” weighting and “SLOW” response.
2. Place the SPL meter in the primary listening position.
3. On the Nº502, select External Noise Test from the menu.
4. Begin playback of the external calibration source.
5. Select the Front Left speaker in the External Noise Test menu. an
adjustment bar is displayed.
6. Use the and buttons to adjust the output level until the SPL
meter reads the expected output, as defined by the external
calibration source instructions, at the primary listening position.
7. Repeat Step 5 and Step 6 until all active output levels are calibrated.
8. Press the button to exit the External Noise Test menu.
Input Source surround Mode
for 5.1 Surround
surround Mode
for 7.1 Surround
2.0 Dolby
®
Digital, Analog
& PCM
Dolby PLII Movie Dolby PLIIx Movie
5.1 Dolby
®
Digital
Dolby Digital Dolby PLIIx Movie
DTS
®
DTS-ES
®
DTS-ES
®
7.1 or 5.1 Analog & PCM
Multi-channel Standard Multi-channel Standard