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Pioneer Calculators

The Pioneer series calculators, which include the HP-10B, HP-14B, HP-17B, HP-17BII, HP-20S, HP-21S, HP-22S, HP-27S HP-32S, HP-32SII, and HP-42S all have built-in internal, display and keyboard test functions. The keystrokes to access the self-test functions of each calculator are the same for all pioneer models (ignoring the keyboard nomenclature for each specific model).A continuous internal/display test is performed by simultaneously pressing the ON key (labeled "C", "CLR" or "EXIT" on various models) and the key labeled "E" (the fifth key on the top row) in the illustration at the right. Various internal and display tests will be performed until interrupted by simultaneously pressing the key labeled "C" (the third key on the top row) in the illustration at the right and the ON key.The more thorough internal/display/keyboard test is performed by pressing the ON key and the key labeled "D" (the fourth key on the top row) in the illustration at the right. Press any key to step through the various display and internal tests until after the copyright notice is displayed. "KBD" on calculators with alpha-numeric display capability or "01" on calculators with only a numeric display will be displayed to indicate the start of the keyboard test. In order press each key from left to right on each row, from the top row to the bottom row. The calculator will indicate "OK" or "good" when the keyboard test is successfully completed. If a key is pressed out of order or there is a keyboard problem, and error message will be displayed. This test can be interupted at any time as described above.
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Land Surveying Photos CollectionSince 2007, Land Surveyors around the world have shared their best Surveying Photos from the field. Inside this collection you can transport yourself to virtually any location on Earth and see how Land Surveyors work, types of equipment being used and environmental challenges associates with being a land surveyor in that location.

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Looking for Specific Types of Surveying Photos?   Check out the Surveying Photo Feeds Page.  Want to see photos submitted by surveyors grouped by tag?  Check out the Photos Categories Page.

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Survey Photos by Tag or CategoryEarth's Largest Survey Photos Collection

Land Surveying Photos CollectionSince 2007, Land Surveyors around the world have shared their best Surveying Photos from the field. Inside this collection you can transport yourself to virtually any location on Earth and see how Land Surveyors work, types of equipment being used and environmental challenges associates with being a land surveyor in that location.

Location Based Chapter Hubs also have photos specific to the locations they represent. You can use our Surveyor Apps for quick sharing of your photos from the field.

Note: Members who have uploaded their photos of surveying to this collection can also move their photos to location based hubs. To see how, follow this tutorial.

Looking for Specific Types of Surveying Photos?   Check out the Surveying Photo Feeds Page.  Want to see photos submitted by surveyors grouped by tag?  Check out the Photos Categories Page.

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