Originally Posted By: Tonewheeldude
use the checksum test to make sure you do not have any problems.


The following instructions only refer to the AUDYA 4 - AUDYA 5 - AUDYA keyboards having serial numbers starting from: F1AA12013M.

A) HOW TO PERFORM THE CHECK SUM TEST ON THE AUDYA

1. Keep the F1 key pressed down and switch the machine ON. Release the key when on the display the menu with the first diagnostics of the instrument appears.
2. Press the F5 “CONTINUE" key. On the display the single sections of the test menu appear.
1. Press the F2 key to access the DSP0 (9708) menu to carry out the Flash checksum tests.
2. Press the ENTER key to perform the test on all flash memories in sequence, from 1 to 11.



F1: KetA01 9858F021
F2: KetA02 86AC504E (86AC1D49)
F3: KetA03 CF8AB654
F4: KetA04 96EA4099
F5: KetA05 E21D4766
F6: KetA06 8C328379
F7: KetA07 C212A530
F8: KetA08 D5790C9A
F9: KetA09 B80F62EC
F10: KetA10 EA609798
1/6: KetA11 42638FB2

If there are no errors displayed, press EXIT several times to exit the Test Menu. Audya will be automatically restarted.

If, instead, there are errors shown for one or more flash memories, write down the relevant name (e.g. KetA01, KetA03, etc.) shown on the left-hand side of the display, after the indications F1, F3, etc., and press EXIT several times to exit the Test Menu.
Audya will be automatically restarted. Follow the indications of section B) to restore the data.


B) HOW TO RESTORE WRONG CHECKSUMS

Important:
If the corrupt flash memory should be Ket02, before rewriting go to the main Root and select the 9708f1av00,SAM file, then press ENTER to load it. Then the following operations can be executed.

1. While the instrument is ON, press DISK to go to the main directory (C:\).
2. Go to folder C:\SYSTEM and press the ENTER key (twice); select the FACTORY folder with the DATA/VALUE wheel and confirm by pressing the ENTER key. Select the SOUND folder with the DATA/VALUE wheel and confirm by pressing the ENTER button. On the display a list appears. Use the table below to select the files you are interested in, then press ENTER.

A PRACTICAL EXAMPLE
If the flash memories test shows that there is an error in "KetA05" (ERR), select file KET0600.PCM (see the table below) and then press the ENTER key to start loading.
Once the loading phase is completed (requiring about 10 minutes per flash memory), repeat the TEST to make sure that the operation was completed successfully.

IMPORTANT: if during loading the message "Flash write error" appears, contact the technical service of KETRON s.r.l..


Folder - C:\SYSTEM \ FACTORY \ SOUND


F10 KetA10 10KET0300.PCM
1/6 KetA11 11KET0500.PCM
F1 FKetA01 1KET0800.PCM
F2 KetA02 2KET0000.PCM
F3 KetA03 3KET0200.PCM
F4 KetA04 4KET0400.PCM
F5 KetA05 5KET0600.PCM
F6 KetA06 6KET0A00.PCM
F7 KetA07 7KET0900.PCM
F8 KetA08 8KET0700.PCM
F9 KetA09 9KET0100.PCM



C) CHECKING THE “ALL TABS” FILE

Important: This file must be controlled each time the steps described in section A) and B) are carried out.

1. On the main screen page, press the F5 USER 1/6 keys at the same time. On the display a test page is displayed, with a list of points with the indication OK at the right side.
2. Press the >> “FORWARD” key and on the left lower area of the display the current ALLTABS version is displayed, i.e. 2C349B72
3. Press the EXIT key to go back to the main menu of Audya.
4. If the Check sum of the All Tabs file is wrong, proceed as follows to restore it:
5. Open the SYSTEM folder, open the FACTORY folder and then the TABLE folder.
6. Select the ALLTABS.TAB file and confirm by pressing the ENTER key.
7. Once the loading phase is completed, repeat operations 1 and 2 of paragraph C.

D) OTHER CHECKS TO BE PERFORMED FROM THE TEST MENU

1) Keep the F1 key pressed down and switch the machine ON. Release the key when on the display the menu with the first diagnostics appears.
2) Press the F5 “CONTINUE" key. On the display the single sections of the test menu appear.
3) Press the F1 key to access the test checking the correct functioning of the switches and the potentiometer, pedals, modulation and pitch bender.
4) Press the F3 key to check the DSP1 effect (check sum: 6819), whereas for the O.S. 4.2a and higher the check sum is the following: 372)
5) Press the F4 key to check the DSP2 effect (check sum: C67D)
6) Press the F5 key to access the test checking the outputs of the instrument.
7) Press the F6 key to access the test checking the USB ports.




Important Notice: After the 2011 Upgrade the:

F2 KET A02 changes to 86AC1D49

and the All Tabs changes to 2C2BE9C5

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