Con
fi
guration Options Screen
Enter the Con
fi
guration Options screen after selecting the Amp Type when
adding a new logical ampli
fi
er, or by touching the Amp Icon on an existing
logical ampli
fi
er on the
Main Con
fi
guration screen
.
Analog Input Amp Settings
Each Amp Type includes preset values for each setting. The Con
fi
guration Options Screen lets
you modify them.
Setting
Description
Coupling
Choose AC or DC. AC coupling implements a high pass
fi
lter with ~ 0.4 Hz cutoff frequency
Ref Mode
Choose Local, Shared, None, or Differential Reference Mode. See
Analog Recording Reference Modes
for more information
Samp Rate
Set the Sampling Rate to match the desired frequency band of your incoming signals (or leave at
'System Rate' if you are unsure). Options include: 750 Hz, 1.5 kHz, 3 kHz, 6 kHz, 12 kHz, 25 kHz, 50
kHz. By default, the sampling rate matches that of the RZ.
Filtering
Select a cutoff frequency for the anti-aliasing
fi
lter, as a percentage of the sampling rate. Choose
from a list of values: 45%, 35%, 25%, 15%, or 10%
Ext. Ground
Press 'More' button to access this. Set to Yes to connect this logical ampli
fi
er ground to the external
ground plug on the physical PZ5 device.
Caution:
When using multiple sub-amps make sure they aren't all sharing the External Ground
connection or else they won't be isolated!
PZ5 NeuroDigitizer | 18