Strobex Track Test; Photocell Processor Test - Honeywell VXP System Maintenance Manual

Maintenance

4.3.5 Strobex Track Test

The following test may be performed to verify that the Strobex and strobe interface to the AU are
working properly.
1. Assemble the test set-up as shown in Figure 4-1 using the appropriate sensors and
cables.
2. Ensure that a magnetic pickup is installed in the calibrator and connected to the AU.
3. Remove one of the interrupter screws from the calibrator disk, leaving one screw in
one of the single holes either above or below the "ch" logo.
4. Using the Display Unit and Display Program, click on the Measurements Only
button in the Select Procedure menu of the Application Program. Refer to Section
3.2.1 for detailed instructions on manual operation.
5. In the Measurements Only menu, click on the FLASH STROBE
(SYNCHRONIZED TO AZ) button.
6. Select AZIMUTH 1 in the AZ CH: pull down window.
7. Select 4 in the NO. OF BLADES: pull down window.
8. Select a blade spread of 0.7 (default) in the BLADE SPREAD: pull down window.
9. Select a flash delay of 0 (default) in the FLASH DELAY: pull down window.
10. Aim the Strobex at the calibrator and pull the trigger.
11. Verify that the Strobex flashes and that the stem of the "h" at the center of the disk
indicates the following pattern (Figure 4-6).

4.3.6 Photocell Processor Test

The following test may be performed to verify that the photoprobe and internal photocell
processor are working properly.
1. Assemble the test set-up as shown in Figure 4-1 using the appropriate sensors and
cables.
2. Install a photoprobe in the magnetic pickup hole in the front of the calibrator and
lock down with the retaining nut.
3. Remove the interrupter screws from the calibrator disk.
4-10 Honeywell
Figure 4-6. Strobex Disk Pattern