Tx PIN 2
Rx PIN 3
GND PIN 5
2. Push the AUDIO PROG. button using a small screwdriver.
3. Switch the unit ON.
Note: this sequence is critical – first push the AUDIO PROG button and then turn
on the unit
10.3 Upgrading the Audio Firmware
Follow these steps to upgrade the audio firmware:
1. Double click the desktop icon: “Shortcut to FLIP.EXE”.
The Splash screen appears as follows:
Figure 21: Splash Screen
2. After a few seconds, the Splash screen is replaced by the “Atmel – Flip”
window:
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