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Page 22

CDi DriveCore Series Operation Manual

Conguring the Amp

Conﬁguring BLU link Settings

The BLU link Settings menu is only available in BLU link CDi DriveCore models. From the

BLU link Settings menu (see Figure 23), BLU link sample rate, clock priority, and outputs

can be conﬁgured.

To congure BLU link settings:

1� From the Home screen, press the MENU button.

2� Select the "BLU link" option from the menu using the ENCODER.

3� Select the "BLU link Settings" option from the menu.

4� Select the desired options for your application, making selections with the ENCODER.

5� When done, select "Done" at the bottom of the screen.

Available options:

• Sample Rate (48kHz, 96kHz)

Sets the BLU link sample rate in the ampliﬁer. Sample rate can be set to 48kHz (default) or 96kHz. When set to 48kHz, the ampliﬁer can access BLU

link channels 1-256. When set to 96kHz, the ampliﬁer can access BLU link channels 1-128.

NOTE: The sample rate must be set to match all other devices on the BLU link bus in order to pass BLU link audio.

NOTE: The CDi DriveCore ampliﬁers process audio using a ﬁxed 96kHz internal sampling rate. When using a BLU link sample rate of 48kHz, the

audio signal from the BLU link bus will be sample rate converted from 48kHz up to 96kHz when entering the amp, and any audio signals sent from the

amp back to the BLU link bus will be converted from 96kHz down to 48kHz.

NOTE: If the amp is conﬁgured to use any BLU link channels between 129-256 and the sample rate is then changed from 48kHz to 96kHz, all BLU

link assignments above 128 will default back to an "unassigned" state since they will no longer be applicable at 96kHz.

• Priority (0-254)

Determines which device on the BLU link bus will provide audio clock for the entire bus. The higher the value, the higher the priority. Under

certain conditions, such as when two devices have the same Priority settings, other factors may be used to determine BLU link clock priority

(see"Mastership" on page 61 for more information).

• BLU link Channel Output 1-4* (Off, 1-254 @ 48kHz / 1-128 @ 96kHz)

The CDi DriveCore ampliﬁers are capable of outputting up to 2 channels (2-channel models) or 4 channels (4-channel models) of audio onto the BLU

link bus. These options allow you to assign the desired BLU link output channels. Channels 1-256 are available when using a 48kHz BLU link sample

rate and channels 1-128 are available when using a 96kHz BLU link sample rate.

• BLU link Source Output 1-4*

These options allow you to select the source to route to each BLU link output channel, with the following options available:

• Analog Input 1-4* (routes the pre-processed audio signal from the input)

• Amp Output 1-4* (routes the same audio signal present at the ampliﬁer outputs)

For information on routing BLU link channels to the ampliﬁer's inputs, see "Assigning Input Sources" on page 14.

For information on conﬁguring BLU link output settings in Audio Architect, see "Conguring BLU link Outputs" on page 38.

*Channel 3 and 4 options available in 4-channel CDi DriveCore models only.

Figure 23: BLU link Settings menu

Harman CROWN CDi DriveCore Series User Manual

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