GDP-32
II
INSTRUCTION MANUAL
May 2002 Section 17, Page 6
Atten IN
Sets the Attenuator to IN or OUT.
DAC 0 .000V
The SP or Offset DAC voltages in counts and volts respectively. Enter either value
and the other is automatically updated. Count values range from -32768 to 32767.
Voltage values range from -2.500 to 2.500 volts.
Notch OUT
Sets the Notch Filter to IN or OUT. Standard filter options are:
Filter Setting 50 Hz powerline filters 60 Hz powerline filters
OUT OUT OUT
50 50,150Hz
60 60,180 Hz
50,5 50/150/250/450 Hz
60,5 60/180/300/540 Hz
50/60 50/150/60/180 Hz 50/150/60/180 Hz
Gains111
Place the cursor at the first "1" to modify gain stage 0 (G0), at the second "1" to
modify G1, and at the third ā1ā to modify G2. G1 and G2 have binary selection
ranges from 1 to 128. G0 can be adjusted to 1, 4, or 16.
Alias OUT LO Value 0
The OUT position indicates that the antialias filter is bypassed and that the channel
has the maximum bandpass. When the field is toggled ON, the filter is inserted into
the circuit.
LO - indicates that the low group of filters has been selected (i.e.: 1 to 255 Hz) while
HI indicates that the HI group of filters has been selected (100 to 25,500 Hz). A
value of 128 would indicate that the 128 Hz filter (or 12.8 kHz filter in the HI
position) has been selected.
Value 0 - is the default value for the alias filter corner frequency. The signal path is
incomplete and the channel will be inoperative when Value is set to 0. The default
value is used when the card is turned off in order to minimize current leakage and
power loss. Valid values are from 1 to 255 in single increments, or 100 to 25,500 in
increments of 100.
Mux ANALOG
The multiplexer has been set to the ANALOG amplifier path. Other options are
REFERENCE, GROUND, and BATTERY.
The line below the Mux control is used for the output of the ADC and has the
following format:
y.yyyyyyyyV zzzzz for ANALOG, GROUND, REFERENCE
yy.yyyyyyyV zzzzz for BATTERY
yy.yyyyyyyC zzzzz for TEMPERATURE
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