GSP9700 Series Road Force Measurement System Operation 7. Calibration and Maintenance 127
Force Sensors
Tests both force sensors and displays samples from the last spin.
Rotary Encoders
Tests spindle and knob encoders. Displayed data can be changed by turning the
spindle and control knob verifying that they are in working order.
Keys and Switches
Tests keypad and switches. Each working keypad and switch will beep upon closure
to verify that it is in working order.
Data Acquisition Circuits
Tests Data Acquisition Circuits (displays real-time samples as acquired by main PC
Board electronics).
Dataset
®
Arm Sensors
Tests inner and outer Dataset
®
arm sensors and displays samples from the last spin.
Loaded Runout Sensor
Tests loaded runout sensor and displays samples from the last spin.
7.3 Printing
A “Print” softkey is offered on some screens. Pressing the “Print” key will activate the
printer and print the information shown on the current screen.
Lights on the front panel of the printer indicate printer status. The buttons on the front
panel of the printer control the functions of the printer.
POWER light – indicates the printer power is on.
ALARM light – lights when the printer is out of paper. The alarm also lights should
the printhead become jammed or stopped.
SELECT light – lights when printer is in select mode and must be on for printer to be
on-line with the computer.
SELECT button – will place printer in de-select mode and stop communication
between the printer and the system. To return to the select mode, press again. It will
also stop the self test at power up.
PITCH (10, 12, 17 lights) – indicates the number of characters per inch to be printed.
Default position is 10. Selection is made using the PITCH button.
MODE (NLQ, UTILITY, HSD lights) – indicates the quality of the printer output as
near letter quality (NLQ), utility, or high speed draft (HSD). Default position is
UTILITY. Selection is made using the MODE button.
TOF SET button – will set the “Top of Form” (the first printing line) at the current
location of the printhead when printer is de-selected.
FORM FEED button – will advance the paper to the next top of form.
LINE FEED button – will advance the paper one line
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