Manual

Apollo Twin USB Hardware Manual Controls & Connectors 19
Top Panel
Refer to the illustration below for control descriptions in this section.
Apollo Twin USB’s top panel elements
(1) Level Knob & Switch
The Level knob & switch controls multiple functions. The knob’s current function is
selected with the Preamp (9) and Monitor (10) buttons.
Rotate clockwise to increase level of the selected function. When Monitor is selected
(6), press to mute/unmute the monitor outputs. When Preamp is selected (3), press to
alternate between channels 1 & 2.
Unison Integration: The Level knob can also be used to control Unison-enabled
UAD preamp plug-ins. See the Apollo Software Manual for complete Unison
details.
(2) Preamp Gain & Volume Level Indicator LEDs
The LEDs around the Level knob indicate the relative level of the selected function
(input preamp gain or monitor/headphone volume).
Note: The indicator LEDs are red when Monitor (10) is selected and the monitor
outputs are muted.
1
2
9
10
11
3
4
5
6
7
8