Lim and link, Digital audio recorder – Sound Devices 552 User Manual

Page 26

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552 User Guide and Technical Information

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v. 1.4 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.

Setup Menu

At Factory Default, the mixer is set to limit the output signal peak levels to +20 dBu. This

assures that the output of the 552 will not overload inputs that accept full line-level signals.

The orange LIM LEDs, located at the end of the meter scale, illuminate in various intensities to repre-

sent output limiting.

LIM and LINK

The Output Limiters can either be linked as a stereo pair (LINK) or can work as two independent

limiters (LIM). When linked, the limiters will apply the same gain reduction equally to both the Left

and Right outputs. The LINK position is recommended when recording stereo program, so that level

changes are identical for both channels. The LIM position is recommended when using the 552 Out-

puts as two separate buses.

Digital Audio Recorder

The 552 incorporates a high-quality, two-track digital audio recorder. The 552 records uncompressed

polyphonic Broadcast Wave (.WAV file extension) or compressed MP3 (.MP3 file extension) files to

a removable SD/SDHC card (not included). The audio source assigned to AES A is the source of the

recorded audio. The AES A source is selectable in the Setup Menu.

See Digital Outputs for step-by-step

AES A source routing instructions.

Recording settings such as file format, bit depth, and sampling rate are set in the Setup Menu. All

record functions are controlled using the Recorder Controller. From the factory, the recorder is set to

record 24-Bit WAV files at 48 kHz sampling rate.

To make changes to the recording settings follow the steps below.

1. Enter the Setup Menu. Press and hold the Battery Check button, then press the Headphone Controller.

2. Navigate to the Setup Menu Function Record Mode (-20 LED on the Left Meter). Turn the Headphone

Controller to step through the Setup Menu Functions. SVEN announces each Function as you step

through the menu.

3. Enter the Setup Menu Function Record Mode (-20). Press the Headphone Controller to select a Function.

4. Move among the available record options. SVEN announces each setting as you step through the avail-

able options.

5. Select the option best suited for the application. Press the Headphone Controller to select an option and

exit Setup Menu Function.

6. Navigate to the Setup Menu Function Sample Rate (-18 LED on the Left Meter).

7. Press the Headphone Controller to enter the Setup Menu Function.

8. Select a sampling rate best suited for the particular application.

9. Press the Headphone Controller to save the option and exit the Sample Rate Function.

10. Exit the Setup Menu. Press any key other than the Headphone Controller to exit the Setup Menu.

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