Specifications

XD10 Cinema Media Player, Installation and Operating Guide Version 2.1
58 Document #: 9301E692002.1
5.4.2.1. Adjusting Levels
The XD10 contains several built-in audio tests described in Section 7.2.2. They can be accessed through
the following menu path: Setup
→ Audio → Audio Tests. Level adjustment audio tests for SPL
calibration are described in Section 7.2.1, which can be accessed through the following menu path: Setup
→ Audio → Level Adjustment.
The Level Adjustment menu provides two choices:
Reference Tone: This will play 1K tone @ 300mV RMS on all channels. The level can be adjusted
between +6.4 to -6.2 dB using the up and down arrow buttons.
Pink Noise: The input buss level for most cinema processors is 300mV input, so in most cases it
will be unnecessary to make any adjustments to the XD10 output level. When the level
is set at +0.00 dB, the XD10 output is at 300mV.
However, if necessary, each channel can be selected and adjusted individually using
the arrow navigation buttons. The up and down arrows buttons will adjust the levels
from +6.4 to -6.2 dB. The left and right arrow buttons will move back and forth among
the channels.
When Pink Noise is selected, it will automatically start to play on the first channel
(Left). This will be indicated on the status display screen. The blue DTS playback
LED will also illuminate, indicating that Pink Noise is playing.
To adjust SPL settings, do the following:
1. Confirm that all amplifiers are on, mute is off, and masking and curtains are opened.
2. Before setting levels, confirm that SPL settings are completed on the cinema processor
according to their recommendations. When setting levels, the cinema processor should be set to
calibration level. In most cases, this is with the fader set to “7”.
3. With a good SPL meter, set the SPL levels according to the chart below. Note that SPL
readings should be measured un-weighted, or C-weighted, with the meter set to slow, and the
proper level setting of the subwoofer should be calibrated with an RTA.
Channel Description SPL
1 Left 85 dB
2 Right 85 dB
3 Center 85 dB
4 Sub bass 91 dB
5 Left Surround 82 dB
6 Right Surround 82 dB
7 Left Center 85 dB
8 Right Center 85 dB
Any change made in either Reference Tone or Pink Noise will affect the other. For example, if
you change the level of Reference Tone to +1.0 on Ch1, when you select Ch1 in the Pink
Noise test section, it, will also be at +1.0.