User Manual

Marine Systems
Aviation Recorders
Page B--3
Initial Issue165M1161--00
Aug. 23/10
Firmware Update
In order to update AtoN firmware, the following is required.
F Power Cable: Refer to the “Mounting and Connections” section of this
manual for more details on the power requirements.
F Communications Cable: Refer to the “Mounting and Connections” section
of this manual for more details on the pinout.
F Firmware Update Package
B.1. Normal ARM Code Update (ARM Standalone Image A lready In -
stalled)
If the unit has already been updated with a standalone binary ARM version, it can be
subsequently updated with a different version of ARM code, using a simple proced-
ure that does not require the unit to be opened. The following procedure describes
the normal method used to update software.
The unit should be powered up with the Communications/Sensor port connected to
the “HyperTerminal” at “115200 Baud.”
(1) While trace messages are displayed on the “HyperTerminal” console, hold the
“Ctrl” key and type “FF.” As shown in Figure B--1, the following message ap-
pears.
*** Flash Update Request ***
Ready for Xmodem File Transfer
After this message appears, “C” characters are generated, and the ARM code up-
date can begin.