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5
6.3 SOFTWARE VERSION UP METHOD
Overview
This mode is used for upgrading the MCU software of system using USB memory.
How to enter in USB rewriting mode
Press and hold "1" and "2" buttons together, and turn BUP and ACC on.
USB rewriting operation flow
Explanatory note
Screen display and ON/OFF of illumination
USB
Red frame: illumination lights up
Gray frame: illumination lights off
Blue characters: operation to be carried out by a user of USB rewriting function
Press and hold "1" and "2" buttons together, and turn BUP and ACC on.
(4) Retry count over
CAN'T UPDT
Display is continued until
In 5 seconds, usual operation
the power supply is turned
(OFF SOURCE)
OFF
Result of rewriting
(1) Rewriting succeeded
(2) Upgrading file error
Upgrading file is not detected
(3) Rewriting failed
(4) Retry count over
5
6
Characters displayed on the screen
START UPDT
Press LIST button
* After connecting USB memory in which upgrading file is stored, press LIST button.
Retry rewriting
Check of upgrading file is started
CHECK FILE
Rewriting is started
DON'T STOP
Switched every
5 seconds
PRG **/100
(1) Rewriting succeeded
COMPLETE
ERR->RETRY
In 5 seconds, rewriting
is retried
Displayed when USB rewriting is normally terminated.
In 5 seconds, usual operation (OFF SOURCE) is started.
Displayed when there is no upgrading file in USB memory or the data of upgrading file is different.
In 5 seconds, usual operation (OFF SOURCE) is started.
If the upgrading file error is detected or the upgrading file is not detected after the rewriting is retried, the rewriting is failed.
In 5 seconds, rewriting is retried.
Displayed when the writing of upgrading file in serial Flash is not normally terminated.
Or, displayed if the upgrading file error is detected or the upgrading file is not detected after the rewriting is retried.
In 5 seconds, rewriting is retried.
Displayed when the retry becomes unavailable because the retry count is exceeded.
The display is continued until the power supply is turned OFF. If the power supply is turned ON again, the display is not changed.
The upgrading using USB is disabled, so it is necessary to write programs in serial Flash using E10A.
MVH-350BT/XMEW5
6
7
As the reset is internally carried out,
display and illumination go out
(2) Upgrading file is not detected
Upgrading file error
If the power supply is turned OFF
during rewriting, retry the rewriting.
(3) Rewriting failed
FILE ERROR
In 5 seconds, usual operation
(OFF SOURCE)
7
8
First time
After retry
ERR->RETRY
In 5 seconds, rewriting
is retried
8
A
B
C
D
E
F
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