Zeiss humphrey HFA II-i series, Field Service Manual

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Humphrey Field Analyzer II - i Troubleshooting
Confidential and Proprietary
52235C1105 5 - 9
Field Service Guide
5.5 HFA II - i Motor Exerciser and QA Test Points
The HFA II - i offers the ability to exercise or move motors individually or in combination. In
addition, QA test points may be selected in either a manual or automatic sequence.
Motor Exerciser and QA Test Points
1) From the Calibration main menu, select VERIFICATION.
2) Select either EXERCISER or Q/A TESTS. (SPOT SIZE is not performed in the
field. It is used in-house to verify the ratio between the hole sizes in the aperture
wheel in relation to the amount of light from the bowl surface.)
3) From the menu presented, select the desired test parameters
Motor Exerciser Menu:
• Test Count - Used to select the number of motor iterations.
• Motor Rate - Used to select the motor speed.
• Projector On - Used to turn the projection lamp ON.
• Projector Off - Used to turn the projection lamp OFF.
• X,Y,F,I,J,S - Used to select individual motors.
X = Horizontal
Y = Vertical
F = Focus or Carriage
I = Film Wedge
J = Glass Wedge
S = Shutter
• 30 Degree Tests - Used to move all motors within the central 0 - 30 degree range.
• 60 Degree Tests - Used to move all motors within the peripheral 30 - 60 degree range.
• Mixed 30/60 Tests - Used to move all motors within the 0 - 60 degree range.
• Stop Test - Used to stop the exerciser mode currently chosen.
• Done - Used to exit the motor exerciser.
• Iteration Count (looks like "Errors Encountered in Iteration") - Keeps track of the number
of iterations. Updated when the test is complete, error occurs, or Stop Test is selected.
• Errors Current - Keeps track of the current number of errors.
• Errors Total - Keeps track of the total number of errors encountered.
• The last three items above are error status indications. These are displayed in 6 columns,
each column representing one of the sequence: X Y F I J S