5
ISA ONE CONTROLS AND FEATURES
Front Panel
1 10 dB stepped Mic & Line Gain switch. Mic: 0-30 / 30-60 dB | Line: -20 +10 dB
2 Selects the high mic input range (30-60 dB) on the Gain switch
3 Trim pot: 0 +20 dB for the Mic & Line inputs
4 Applies +48V phantom power to the mic input XLR
5 Inverts polarity (Phase) of the selected input
6 Applies the high-pass filter (HPF) to the selected input
7 Switches the Insert return signal into the channel path
8 Input source selection switch
9 Z In (Input) selects the input impedance for the Mic input
10 Z In (Instrument) selects the input impedance for the Instrument input
11 Gain pot for the Instrument input
12 1/4” mono Jacks for the Instrument input (DI) with a parallel output to an Amp/combo.
Also see
rear panel DI output connector on page 9
13 Enables the VU meter calibration mode.
See page 8
14 Moving-coil VU and (15) peak-reading LED bargraph Input meters
16 Toggles meters 14 & 15 to indicate the signal at Pre or Post the Insert point
17 Peak-reading LED meter indicates the instrument input (DI) or the EXT IP (when connected)
18 A-D option card clock and sync selection.
See page 7
19 1/4” stereo Jack socket for Headphones
20 Headphone volume pot
21 Sends the stereo Cue Mix inputs (on the rear panel) to the headphones
1
3
13
14
16
15
18
2
8
4
9
10
11
12
19
20
21
5
6
7
17
