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GT20 Wire and Programming Manual
Rev 5-7-18
P/N C-00140
DN 1191
Figure 8
Name Convention within Heirarchy Levels
SECTION 14 .2: Procedure
1. Open the folder named (FD20G). The software update will not work if the (FD20G) folder does not exist.
2. Verify that a single file with an extension of .gds exists.
3. Locate the USB port on the GT20 Control. Insert the USB Stick into it.
4. Turn the power ON.
5. Briefly push in on the Joystick until the Main menu is displayed. Scroll until UPDATE SW is displayed. Push in on the Joystick
to select this item.
6. Select UPDATE LATEST.
7. Push the Joystick to the (3) times to the Left, and (3) times to the Right (LLLRRR).
8. The LED display should black out and then a blue light should begin flashing. The new Software version will then display.
DN 1192
X118
5V
30V
SOK
OE
SE
Figure 9
Plug the USB Stick into Socket X118
Table 29
LCD display on the Control Unit
SOK
Green
USB-Loader started
OE
Blue
Activity in progress (delete/write memory)
SOK + OE
Green/Blue
Remove the stick after Download completed
SE
Yellow
Error
SECTION 14 .3: Possible Errors
X
Incorrectly formatted USB Stick: This stick must be FAT or FAT 32 formatted (File Allocation Table from Microsoft).
X
Several drives existing on the USB stick: Only one drive is legible.
X
Invalid File: Not encrypted, damaged, FD20 missing in the file name, gds missing in the file extension.
