Metric Halo +DSP, User Manual

Page: 151 / 371

MIO Console Overview
151
System Controls
Figure 11.17: System Controls
The System block provides controls that adjust various system level aspects of the Mobile I/O hardware:
– The Clock Source pop-up menu controls the system clock source used by the hardware for digital synchro-
nization and driving the converters. The choices for 2882 and ULN-2 are:
Figure 11.18: Clock Source Pop-up Menu for 2882 and ULN-2
• Internal directs Mobile I/O to use its internal clock. You must select this if you want to set the sample
rate from the Mobile I/O. If any other clock source has been selected, the console will not allow you to
change the sample rate since the sample rate is determined by the external clock source.
• WC (44/48) directs Mobile I/O to clock off of an external Word Clock Source at single rate (e.g. fs =
32k-50k)
• WC (88/96) directs Mobile I/O to clock off of an external Word Clock Source at double rate (e.g. fs
= 64k-100k)