User manual

Mytek Ptools-HD DIO Card – User Manual
Two 8x192 ADDA converters, first on internal clock
(clock master), second as slave
1. Connect 8×192 ADDA converters to the Pro Tools card
in a computer.
✔ Computer should be connected to the Primary Port of
the first converter, while its Expansion Port should be
connected to the Primary Port of the second
converter.
2. Choose which converter will operate as a clock signal
source (Master).
3. Use a BNC cable to connect the clock signal of the
Master converter to the clock input of the second
converter (Slave).
4. Turn on the computer and converters.
5. Set the Master converter to work with the internal clock.
✔ EXT LED should not be lit.
✗ If LED is lit, press and hold EXT CLOCK SOURCE
button.
6. Set the Slave converter to work with the external clock.
✔ Press and hold the EXT. CLOCK SOURCE button.
✗ If EXT LED is lit and WCK LED flashes, check if
clock inputs and outputs in converters were
correctly connected and the same SAMPLE RATE
sampling frequency and WCK frequency split rate is
set in both converters.
7. Launch the Pro Tools application.
User Manual ver. 1.0 / jan 2007 www.mytekdigital.com Page: 22 / 29