Rega DAC-R - Manual (Page 6)

Power on/off When the power button is pressed the Rega logo illuminates.
Input Selects the 5 available digital inputs. Push to advance.
Filter Selects the three avaiaible filters. Push to advance
Input locked indicator Indicates the digital input signal is valid and the
PLL in the receiver is locked.
When the Input locked LED is off, the soft mute is activated.
USB /1 Optical /2 Optical /3 Co-axial /4 Co-axial
Sample rate LED’s (only valid when Input locked is on).
32K- No sample rate LED is shown but Input locked is illuminated
44.1-48K - Indicates the incoming sample rate is 44.1 or 48kHz
88.2-96K-Indicates the incoming sample rate is 88.2 or 96kHz
176K - Indicates the incoming sample rate is 176.4kHz
192K - Indicates the incoming sample rate is 192kHz
3
Front panel indicators & operation
IR sensor
On/Off Filter
Input
Input locked LED
Sample Rate LED