User`s manual

1. DEVICE OVERVIEW
Element Function
“ACTIVE” LED On when the controller is active (gain control is enabled), off when the controller is inactive.
If a valid MIDI command is detected, the light goes dark for a moment to indicate reception.
“ACTIVE” Button Press to toggle between active and inactive mode.
To perform “factory defaults reset”, press and hold down while connecting power until the “ACTIVE” LED flashes
three times.
DIP Switch Switch Meaning
1/2 Selects the MIDI channels to which the device responds to:
OFF/OFF: Channels 1/2/3 (for preamps 1/2/3)
OFF/ON: Channels 4/5/6 (for preamps 1/2/3)
ON/OFF: Channels 7/8/9 (for preamps 1/2/3)
ON/ON: Channels 10/11/12 (for preamps 1/2/3)
3/4 Selects the preamp type for PREAMP1, PREAMP2 and PREAMP3:
OFF/OFF: Behringer ADA8000 (5k neg. log)
OFF/ON: Focusrite OctoPre MkII (25k neg. log)
ON/OFF: unused
ON/ON:: Digital mode for 5V/500 Ohms Reed relays (e.g. for pad/phantom power switching)
5/6
7/8
“POWER” LED On when the device is powered up
“POWER” Jack Power input
“IN” Jack MIDI Input
“THRU” Jack MIDI Thru. All data received on “IN” is passed to “THRU” without modification to allow daisy-chaining of MIDI
equipment.
“PREAMP 1” Jack To preamp #1 (optocouplers 1-8)
“PREAMP 2” Jack To preamp #2 (optocouplers 9-16)
“PREAMP 3” Jack To preamp #3 (optocouplers 17-24)
Table 1: Overview of the device
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