User Manual

Headphone Monitoring
Headphone Gain
By default, headphone output level is controlled by turning the Headphone Encoder while viewing
the Main Screen or Input Settings Screen (See “Headphone Encoder Mode”, page 23). When adjusting
the headphone gain, the gain value (in dB) is displayed in the lower right corner of the LCD. On the
Main Screen and Input Settings Screen, this space displays the currently selected Headphone Source
when the headphone gain is not being adjusted.
Headphone Encoder
Headphone gain during adjustment
The 633 can drive headphones to dangerously high volumes. Turn down the headphone gain
before selecting a Headphone Source to prevent accidental signal extremes.
Headphone Source Selection
Named custom headphone preset
Custom headphone preset
Default Headphone Sources
By default, to select the Headphone Source: Press the Headphone Encoder while viewing the Main
Screen (See “Headphone Encoder Mode”, page 23). This will display the Headphone Source selection
menu. Turn the Headphone Encoder to change the source, and press the Headphone Encoder to exit
the menu (The menu will also exit automatically after 2 seconds of inactivity from the Headphone
Encoder). The signal to the headphone outputs will immediately change as the Headphone Encoder
is rotated and the selected Headphone Source will be displayed on the Main Screen in the lower left
corner.
633 User Guide and Technical Information
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v. 1.02 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Headphone Monitoring