IAI America IA-T-XA (ANSI standard CE mark agreement) - Manual (Page 30)

Pressing the ESC key again moves to the Edit
mode screen.
Pressing the ESC key once more moves to the
Flsh (flash ROM writing) screen.
When writing the data in flash ROM, press the
F1 (OK) key.
When exiting the Edit mode without writing the
data, press the F2 (Canc) key.
Pressing the ESC key returns to the last screen.
However, if you attempt to exit the Edit mode, the
screen returns to the Flsh screen again.
The message “Please wait…” flashes during
flash ROM writing.
* Never turn off the power to the Controller
during this time.
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