Displayed elements depend on the installed optional boards and user settings. In the example above, C1 is playing the audio
coming from its first AES-EBU input at the rate of 44.1 kHz, over-sampling it to 705.6 kHz (x16). The output level is -18.5 dB, but
is currently muted. C1 has locked its 22.5792 MHz (512 x 44.1 kHz) VCXO to the incoming audio stream. The polarity of the
audio signal is inverted, and the C1 is powered through its external DC power supply. Displayed elements for other configurations
are similar.
Following table shows the actions of the user control knob in Normal mode.
User Control Knob Action Unit State Unit Action
[NP] Normal Push STANDBY
Any other state
Wake from STANDBY
Enter Shortcuts mode
[LP] Long Push STANDBY
Any other state
Wake from STANDBY
Go to STANDBY
[C>>] Center Rotate Right D/A Controller (preamplifier)
D/A Converter (pure DAC)
Increase volume (1
st
by 0.5 dB steps, then faster)
Select next available input
[<<C] Center Rotate Left D/A Controller (preamplifier)
D/A Converter (pure DAC)
Decrease volume (1
st
by 0.5 dB steps, then faster)
Select previous available input
[E>>] External Rotate Right Any state Select next available input
[<<E] External Rotate Left Any state Select previous available input
User control knob actions in Normal mode
4.2.2 Shortcuts
The C1 D/A controller is configured by a set of menus as described in the next sections. To allow quick access to the most
frequently used configuration menu items, the C1 offers the concept of Shortcuts. Shortcuts are fully programmable and the user
may choose any configuration parameter as a Shortcut. There are up to 6 user programmable Shortcuts. To learn how to program
individual Shortcuts, please refer to the SHORTCUTS menu item in the next section. For a list of Factory default Shortcuts, please
refer to the Specifications section.
Shortcuts are accessed from Normal mode by a Normal Push [NP]. Additional Normal Push [NP] skips to the next Shortcut. The last
Shortcut is always dedicated to entering the Menu mode (SETUP). On this last Shortcut, a Normal Push [NP] will return to Normal
Mode and an External Rotate Right [E>>] (or Central Rotate Right [C>>]) will enter the Menu mode. The individual parameter for
a given Shortcut is modified using External Rotate Left [<<E] (or Central Rotate Left [<<C]) and/or External Rotate Right [E>>]
(or Central Rotate Right [C>>]) . If there is no user action for about 10s the unit will revert to Normal mode.
Following table shows the actions of the user control knob for Shortcuts.
User Control Knob Action Unit State Unit Action
[NP] Normal Push Shortcut (except last)
Last Shortcut (SETUP) or
after current Shortcut
has been modified
Skip to next Shortcut
Exit Shortcuts mode (Normal mode)
Rev 1.9 C1 User Manual 29
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