Micrometer interface
4.2.3 Getting Started
Unpack the two boxes which contain the microscope unit and XGA monitor. Remove any red shipping tabs that have been installed to protect the X-Y stage for shipment. Refer to the Getting Started of the previously described KineMic XGA Zoom Basic for system placement, electrical connections, focus control, lighting control, and zoom control. Familiarize yourself with the X-Y stage and its digital micrometer controls. Please refer to the separate manual which is shipped with Starrett 762 Mic Head. Highlights are as follows: - The micrometer display will go blank after 30 minutes of no spindle movement. Any movement of the spindle will activate the display with no loss of position reading. - One push of the HOLD button will freeze the display and the word HOLD will appear. A second push will update the display to the current position reading. - One push of the SHIFT/SET button changes the function of this button to SET, changes the function of the ZERO/ABS button to PRESET, and changes the function of the IN/mm button to LIMITS. - One short push (less than 1 sec) of this button zeroes the display at any point, thereby providing an incremental mode. A long push (more than 1 sec) returns the display to the original absolute reading mode, and the word ABS will appear. - The PRESET button allows a starting value other than 0 to be entered. Please refer to the separate 762 Mic Head manual. - In normal mode, one push of the IN/mm/LIMITS button changes readings from inches to milli- meters and back. In the LIMITS mode, as selected by the SHIFT/SET button, minimum and maximum tolerance limits can be entered. Please refer to the separate 762 Mic Head manual. 4.2.4 Micrometer Battery Replacement If a micrometer display loses its contrast, this is a sign of the micrometer battery getting weak. Remove the old battery from each micrometer and install a new one with the + side down, as marked on the cover of the battery compartment. Use a CR2450 button cell 3V lithium battery. Batteries can be obtained from Starrett by ordering PT61120.
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