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4220 Flow Meter
Section 6 Maintenance and Service
6-18
6.8.3 Running FLASH
UPDATE
1. Connect the Computer Connect Cable to your computer’s
serial port and the instrument’s interrogator connector
(marked with the Interrogator icon).
2. Insert the update disk in the floppy disk drive.
3. Change the DOS prompt to the floppy disk letter prefix.
4. At the DOS command line, type: FLASHLD. The first win-
dow in FLASH UPDATE will be the Introduction window.
Read it carefully before continuing.
6.8.4 About Preferences FLASH UPDATE has a set of factory settings that appear in
Figure 6-10. Change them when your computer requires dif-
ferent settings.
To change preference settings:
1. Click Cancel in the Introduction window.
2. Select Preferences from the Options menu. The notes in
Figure 6-10 explain the selections in the window. When you
have selected your preferences, select OK.
3. Select Update Software from the Options menu, and follow
the instructions in each window.
Figure 6-8 Update File Menu
Interrogator Port Icon
This window
appears only when the directory or disk contains more than one version
of the update files and the Preferences option for Show Update File is “all
Update Files.” It lists the update files in the directory. The first four num-
bers in the file name are the instrument’s model number. The numbers
following the “V” are the software version. If several versions appear in
the window, select the version with the highest number unless otherwise
instructed by Teledyne Isco Technical Service.