4 Operation
The C1 D/A controller is operated either from the front panel or from the IR remote control. Feedback to the user is provided by a
high-definition AMOLED display with customizable colors. Setup operations are exclusively handled from the front panel.
4.1 Front panel controls
4.1.1 Front panel
Front panel elements
(1) Standby LED
(2) User control knob (dual concentric rotatory knob with push function)
(3) IR remote control receiver
(4) Display area (high-definition AMOLED display
The standby LED lights up when the unit is in standby. It is normally turned-off during operation and shortly lights up whenever it
receives a valid IR remote control command. The LED can also be programmed to remain on during operation if the display is
turned off. The display is a high-definition AMOLED panel with very wide viewing angle, high contrast and high brightness ensuring
optimal reading comfort. The color and brightness of the display can be configured according to user's taste and different colors
can be chosen for PCM (e.g. CD and most computer audio files format) or DSD (SACD format) playback.
4.1.2 User control knob
The user control knob is the main user input device. It is build around a dual concentric rotatory knob with push function, mounted
on a Teflon guide. Both the central and the external part of the knob can be moved to the left or the right independently, giving
four movements: rotate External Rotate Left/Right [<<E]/[E>>] and Central Rotate Left/Right [<<C]/[C>>]. The central part of
the knob also supports a push functionality. There are two types of push: Normal Push [NP] and Long Push [LP]. For a Normal
Push, just press the central part of the knob and release it immediately. For a Long Push, press and hold the central part of the
26 C1 User Manual Rev 1.9