4230 Flow Meter
Section 5 Maintenance and Service
5-17
5.10 Using FLASH UPDATE Isco manufactures a number of instruments - 4100 Series Flow
Loggers, 4200 Series Flow Meters, and 6700 Series Samplers -
that use circuitry based on FLASH EPROMs. Unlike earlier
EPROMs that require UV erasure and were not easily field
replaced, the FLASH EPROM lets you upgrade the software in
the instrument without opening the unit or returning it to the
factory. You can now update the software with a disk from Isco,
an IBM®-compatible personal computer and a connect cable.
The disk contains UPDATE, a program specifically for flash
memories, and a set of software files to update the FLASH
EPROM.
Each disk is labeled with:
• The instrument series number
• The software revision number for each instrument in
the series
• The part number of the disk
5.10.1 Getting Started The following instructions assume that:
• You have had some experience using the computer.
• You have a Computer Connect Cable. If you do not have
the cable, order it from your sales representative or the
factory. For more detailed information about hardware
requirements, see Table 5-1 on page 5-20.
• You are familiar with Microsoft® Windows®. FLASH
UPDATE uses the standard Windows user-interface for
mouse and keyboard commands. If you are unfamiliar
with DOS or Windows, please read your DOS or
Windows user manuals.
5.10.2 Before Running FLASH
UPDATE
The windows in FLASH UPDATE contain all the instructions
you need to update the instrument. However, there are a few
things to consider before running the program.
• Updating your instrument erases the data stored
in its memory. This includes all readings and most of
the program settings. FLASH UPDATE replaces most
program settings with factory settings. Before running
the program, collect the data and record your program
settings. Then, after updating the software, reprogram
the instrument.
• If you have Flowlink, Isco strongly recommends
using it to update 4200 Series Flow Meters.
Flowlink lets you collect the data stored in the
instrument before updating the software. It also leaves
the program settings in the instrument unchanged,
eliminating the need to reprogram them. Then Flowlink
updates the software, it uses the update files on the
FLASH UPDATE disk and disregards the FLASH
UPDATE program. Refer to the Flowlink Help files for
more information. Use FLASH UPDATE only if you do
not have Flowlink available.
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