Epson 9840 - Manual (Page 19)

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return to the setup mode main menu without changing the cell that is selected. The enter
button will select the currently displayed cell and briefly display the rated load or torque,
last calibration date, and excitation voltage.
To add new cells to this list use the Calibration entry on the setup mode main menu
described below.
If you are using auto-id load cells this menu will allow you to see which cell is selected but
will not allow you to change the selection. This ensures that the correct calibration
information is always used when you use Auto-ID load cells.
If the selected cell is of a different type (load or torque) than that previously displayed on
the channel, the display item and units will change accordingly.
Sensor Delete
The Model 9840 can store calibration data for 25 different cells. To delete a cell from this
list choose “>Sensor Select” from the setup mode main menu. Press the left/right or
plus/minus keys until the serial number of the cell you wish to delete is displayed. (You
may need to shut off auto-id if it is on, see the System Options menu for details). Then
press both the plus and minus keys at the same time. The Model 9840 will ask “Delete
Sensor?” to be sure that you intend to delete this calibration data. Pressing Enter will
delete the cell data from the list. Pressing Escape will return to the cell select without
changing the list.
>Calibration
This menu is used to access all methods of calibration that are supported by the Model
9840. Selecting calibration from the setup mode main menu will bring up a password
entry field. Successful entrance of the password (888) will bring up a submenu which
asks for the cell type. Toggle through either Load or Torque and press enter when
appropriate. Another submenu will appear listing the various types of calibration. This
submenu is used exactly like the main menu. Press left/right or plus/minus to change the
menu item. Press escape to return to the setup mode main menu. Press enter to select
the displayed menu item.
If you are re-calibrating a cell, the Model 9840 will recognize it using either the auto-id or a
manually entered serial number. Any time you overwrite existing cell calibration data you
will first be warned with the “Overwrite Data?” message. Pressing enter will overwrite;
pressing escape will cancel the calibration. Another method of overwriting existing data is
to delete the sensor first and then calibrate.
If a cell with a new serial number (or new auto-id) is calibrated the data is added as a new
entry in the cell list.
Cells must be calibrated for the channel on which they will be used.
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