Tips And Hints: What To Do If - Leica M-Series User Manual

Notes

Tips and hints: What to do if ...

The field of view is partly shadowed.
Remedy:
• Set the interpupillary distance correctly (page 9).
• Locate the eyepoint (page 9).
The image does not stay in focus.
Remedy:
• Fit the eyepieces correctly (page 19).
• Adjust your dioptric settings exactly as described (page 12).
The focusing drifts downwards or can be moved only
with difficulty.
Remedy:
• Adjust the ease of movement (pages 11, 22, 24).
If an electrical fault develops, first check the following:
• Is the voltage selector set correctly (bright-field transmitted
light stand, page 21; transformer, page 26)?
• Is the power switch on?
• Is the power cable attached correctly?
• Are all connecting cables attached correctly?
• Are the fuses in order?
The image is too dark.
Remedy:
• Turn up the regulating knob high enough (bright-field
transmitted light stand, page 21; transformer, page 26).
• Open the double-iris diaphragm of the phototube.
TV, photography
The image on the screen is too dark.
Remedy:
• Adjust the video camera / monitor system in accordance
with the directions of the manufacturer.
• Refer to the remedies listed above under "The image is too
dark".
38
Unsharp photographs.
Remedy:
• Focus precisely (page 11).
• Adjust your dioptric settings exactly as described (page 12).
Colour photographs have a yellow cast.
Remedy:
• Use artificial-light film.
• Turn the regulating knob of the transformer clockwise to the
position of maximum voltage (bright field transmitted-light
stand, page 21; transformer, page 26).