Fluke Biomedical 07-444 - Manual (Page 35)

Operation
Single Step Measurements
5
5-1
Section 5
Operation
In the event of a static discharge induced lock-up of
the densitometer, it is necessary to reset the unit by
cycling the power (i.e. place the power switch to the
OFF position, then to the ON position). The unit
will power up in the normal operating mode.
This Section provides step-by-step procedures for the making single-step density measurements,
including:
• Making 21-step density measurements
• Displaying logged data
• Reporting logged data
Refer to Section 7 - Maintenance and
Troubleshooting for a description of Displayed Error
Messages.
5.1 Single Step Measurements
Use the following procedure to make single step density measurements:
1. Make sure the Power Switch is in the OFF position.
2. Press and hold the ENTER push-button while turning the Power Switch to the ON position. The
following message will be displayed:
Self testing...
3. When the unit has completed the self-test, the following setup Menu label will be displayed:
Single.
4. Press ENTER. The unit will auto zero and display the following message:
Auto zeroing...
5. After zeroing is complete, the density will be displayed:
Density = 0.00
6. Position the film or step wedge so that the area to be measured is over the aperture (Figure 5-1).
NOTE
NOTE