|TEF Tips - Update Flash Memory|
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|Gray or Green Face Icon||TEF20 analyzer is not detecting attached computer. No relay clicking is heard.|
|Protocol||Click = Single Left Click. [Bold Face] = Buttons/Menu Commands. Bold Face = Important Information. Italics = Filled in information. Underline = Text box.|
|When the flash memory of your TEF20 becomes scrambled, communications cannot not be accomplished. Before attempting to reload the flash memory, verify that the following conditions exist.|
|1. No relay clicking is heard when TEF is powered up or when Reset is pushed.
2. Power LED is on.
3. Dip switch positions 7 and 8 are set to off (Up). (TEF Mode).
4. Dip switch positions 5 and 6 are set to on (Down) for 57600 Baud Rate.
5. You are running Sound Lab for Windows V6.6.4b or higher software.
|1. Launch TEF software.|
|2. Click the [Input] button on the Menu Bar.|
|3. Click on [Communications] on the pull down menu.
4. Under [Settings], make sure Com Port Baud Rate is set to 57600.
|5. Under the [Hardware] tab,
6. Select your com port. Usually COM1.
|7. You should now have an "unhappy" (green face) in the TEF Status Icon.|
|8. Click on [Help] - [Update EEprom].|
|9. Work through the test boxes -
[Test Communications], [Enter Monitor Mode], [Update Flash].
|If the Enter Monitor Mode button is not available, use Force Monitor Mode instead. This requires Dip Switch positions 7 AND 8 to be set to the On (Down) position.|
|Click [Force Monitor Mode] followed immediately by pressing the TEF20's Reset Button. This will make the Update Flash button available.|
|It is sometimes necessary to repeat this process once or twice to restore communications.|
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