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MAN0530 Issue 09 October 03 Searchline Excel
2104M0506
(d) With the other hand use the datum mount’s locking handle to rotate the
bayonet fitting in a clockwise direction until it is securely locked onto the cowl.
The fitting is held tightly against the face of the cowl by means of hidden
compression springs.
After attaching the telescope assembly align the units by continuing with step 5.
(5) Align the Excel unit using the two sets of assembly adjustment screws so that the
cross-hairs viewed through the alignment telescope are centred on the window of the
other Excel unit.
Cross-hairs
Mirror
Distant Excel
unit
Telescope
viewfinder
Before alignment
View the image with the eye placed approximately 3 inches from the viewfinder.
Approximately
3 inches
3. INSTALLATION AND OPERATION
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