Motic BA310 - Observation; Diopter adjustment; Selecting the Pointer Colour

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III. Observation
The sub-head observer will view the same image as the main observer if the main
observer has adjusted the diopter settings according to the microscope instruction
manual.
Diopter adjustment
 Project the arrow into the field of view.
 The main observer should set the diopter adjustment rings for both the left and right
eye to bring the arrow into focus.
 After the main observer has brought the arrow into focus, the secondary observer
should bring the image of the arrow into focus.
 This completes the diopter setting.
Selecting the Pointer Colour
 Using the pointer colour switch, select a colour which is visibly distinguishable from
the specimen colour.