Specifications

Instrument Overview
15
The front panel D/A output provides an analog
output proportional to A, B, A-B, or A+B
depending on the counting mode. The scale may
be logarithmic (1V/decade) or linear to any 3
digits.
If a chart recorder is used, the D/A output should
drive the Y axis. The X axis can be recorder
driven (strip chart mode) or the PORT1 or PORT2
outputs can be used to drive the X axis (scans).
This latter method allows accurate determination
of the X value of each point. If the DWELL output
is used as the pen lift, the points will be
unconnected.
If count rates are high and count periods short,
then scans may be displayed on an X-Y scope. The
D/A output is the Y drive and PORT1 or PORT2
is the X drive. The DWELL output should be used
as the blanking pulse.