Manual

Chapter 5 - RB-DAC1 Digital to Analogue Converter
5.4.3. Rear Panel Controls
Fig 5-5: RB-DAC1 Status & Output Select Switches
+12 +18 +24
1OFFONON
2OFFOFFON
3ON
3OFF
4
DE-EMPHASIS OFF
RESERVED
FULL SCALE dB SETTINGS
STATUS
DE-EMPHASIS ON
5.4.3.1. Output Level Adjustment
The output gain can be adjusted by dipswitches on the rear panel. The output gain
can be set for a signal of full-scale digits in the digital domain to give +12, +18 or
+24dBu output on the XLR connectors. The consumer output on the phono connector
has a further 8½dbU attenuation incorporated.
5.4.3.2. De-emphasis Switch
If de-emphasis is selected (switch 3) the RB-DAC1 will decode 50/15µs emphasis
when indicated by certain channel status bits in the incoming digital audio data.
5.4.3.3. Digital Select Button
This button is used to switch the digital input from the AES/EBU XLR connector
(button out) to the S/PDIF phono connector (button in).
5-4 Redbox User Handbook