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1. Earth Ground: This terminal is continuous with the earth
ground.
NOTE:
Do note use this terminal as negative ground for any output or input
function. Doing so may create ground loops resulting in excessive noise.
2. Recorder Outputs: Two terminals supply an analog output
for a strip chart recorder or integrator. The full scale outputs
of these terminals are selectable from 10 mV, 100 mV, and
1.0V. This output is dependent upon the position of the
Range and Rise Time controls.
3. Integrator Output: Two terminals supply a fixed 1 AU/V
analog output to be used with an integrator. This output is
independent of the Range control, Rise Time control, Short
and Event switches, but dependent upon the autozero
control.
4. Remote autozero: Two terminals provide a remote auto
zero function. A momentary contact closure or TTL low
activates the autozero circuit.
5. Remote Event: Two terminals provide an event mark with a
momentary contact closure or TTL low.
6. Remote Lamp Shut-Off: Two terminals provide a remote
means of switching off the lamp. Lamps are shut off by
providing a continuous contact closure or TTL low. Lamps
are re-ignited by the interruption of a contact closure or TTL
low.
7. Earth Ground: This terminal is continuous with the earth
ground.
Recorder Full Scale Voltage Selection Switches: Three two-
position rocker switches (8, 9, and 10) control the full scale
voltage of the recorder output. These switches do not affect the
integrator output.
8. Pressing the top half of this switch to rock it upward to “ON”
sets the full scale recorder output to 1.0V when Switches 9
and 10 are “OFF”.
9. Pressing the top half of this switch to rock it upward to “ON”
sets the full scale recorder output to 100 mV when Switches
8 and 10 are “OFF”.
Summary of Contents for ProStar 340
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