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8. Set all Gain knobs to maximum value
9. Set all impedance switches to Mic/Line
10. Set all Phantom Power switches down to off
11. Set Mono/Stereo Switch to Stereo
12. Set Main knob to maximum
13. Set Phones to minimum
14. Set Phones Selector to 1-2
15. Set Mix knob to USB.
TEST
Power Unit On
Verify: Power LED lights up.
USB LED Lights up.
If LEDs do not light up, device FAILS.
Double click iO4-MPTest-2.0.maxpat to open with MaxMSP Runtime
Select Audio Device to be ad_asio ASIO4ALL v2
Click The ASIO4ALL Icon on the bottom right of the Windows Task Bar(near the clock) to bring up
the ASIO4ALL Control Panel. Icon Looks like this:
In the ASIO4ALL control panel, Be sure only the iO4 is Selected. On my computer the EIE is called
"USB Audio Device". On some machines it is called 'iO4". Setup ASIO4ALL to look similar to this:
Test #1 – Self Test
1. Press Enter to begin self test.
Verify: Midi and 3 Audio tests Pass
Test #2 – Self Test #2
Unplug Midi Cable
Set Gains to MIN
Press Enter to begin Self Test #2
Test #3 – Self Test #3
Tun on Phantom Power
Unplug 1/4" inputs
Wait 5 seconds.
Press Enter to begin Self Test #3
Test #4 - HEADPHONES / Stereo Selector Test.
1. With the software STILL Opened, disconnect the 4 TRS cables from the input.
2. Plug Audio Signal Generator into Channel 1(DO NOT USE 440HZ or 220HZ TONE)
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