GSE 250 - Update Model 250 Firmware

Page 26 250 Technical Reference
Lock 250X Keypad for Wash-Down
Refer to the WD.LOC parameter on page 34 for details on setup and use.
U
U
P
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L
2
2
5
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0
0
F
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The Model 250 has flash memory on the main board. It is possible to update the firmware simply
by using a computer. The firmware is loaded into a flash memory IC via the RS-232 port or GSE-
Link. This allows for ease of loading firmware updates and product enhancements.
Follow the instructions below to reflash the indicator:
1. Attach GSE Link or RS-232 cable to the indicator and to a PC.
2. Power up the indicator.
3. Double click on reflash file program (GSE icon) to start.
If the GSE-link is being used go to step 4. Otherwise go to step 5.
4. Press and hold the [GROSS/NET] key for 3 seconds to connect. "opto-L" will flash on the indicator, and
the bottom of the indicator display will flash.
5. Click on the "Start" button on the reflash program.
6. Select PC comm. port or opto-link if used and click “OK”.
7. At "Connecting the Unit to PC" screen, click "Next".
8. On the PC, "programming flash" will be shown and also a progress status bar. The indicator will display
"Prog".
9. After the reflash is complete, the program will display, "Unit successfully programmed!"
10. Exit the program by clicking on the X to close the window.