9
1 Mains power switch.
2 Standard IEC receptacle for AC mains. ISA One features a ‘Universal’ PSU, enabling it to operate
on any supply voltage between 100 and 240 V AC
3 Slot for ISA ADN2 analogue to digital conversion card. The card allows two audio signals from
the ISA One to be added to a Dante network. It also provides AES3, S/PDIF and ADAT signals.
See the following page for A-D card details
4 Adjusts the VU meter ‘0’ indication between 11 and 26 dBu. At the detent position the reading
will be 22 dBu
– which matches the maximum input level of the A-D card
The Cal control only takes effect when the front panel “VU Cal” button is pressed. When not
pressed, VU ‘0’ indicates a level of 4 dBu
5 Adjusts the LED meters reading at full scale between 15 and 26 dBu. At the detented position
the reading will be 22 dBu
6 Balanced 1/4” TRS Jack sockets for the Left and Right Cue Mix inputs
7 Balanced 1/4” TRS Jack socket (Ext I/P) which feeds input 2 of the A-D option card
8 Balanced 1/4” TRS Jack sockets for Insert Send and Return. The insert can be added into the
channel path by pressing the front panel Insert switch
9 XLR-3 male provides a Line-level output of the instrument signal (DI). The signal is post the
instrument gain control and is always available irrespective of any switch selection
10 XLR-3 male for the Main channel output – as selected by the front panel Input button. This
output is linked internally to input 1 of the A-D option card
11 Balanced 1/4” TRS jack and (12) XLR-3 female connector for the Line input.
The connectors are
internally linked so must not be connected to different sources
13 Balanced XLR-3 female connector for microphone input. Phantom power can be applied by
pressing the +48V switch
Rear Panel
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2
5
9
3
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12
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13
4
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