Casio QT-6600 Service Manual page 51

[ 3 ] RAM WRITE/READ Test
[Function]
Tests whether writing in/reading RAM is correctly performed.
Test data is written on the RAM, and tests are performed to check if the data has been written
properly.
The areas where performing this test affects the operation are excluded from the test.
[Operation]
Operation : n
n: Number of times
0 or no value
A value other than 0 (1 ~ 9) Tests repeat infinitely (press ESC to terminate)
[LCD]
RAM
RAM WR
END
[ 4 ] RAM READ ONLY Test
[Function]
Tests whether reading on RAM is correctly performed.
Be sure to perform "[3] RAM WRITE/READ Test" before this test.
[Operation]
Operation : n
n: Number of times
0 or no value
A value other than 0 (1 ~ 9) Tests repeat infinitely (press ESC to terminate)
[LCD]
RAM
RAM RD
END
0 1 1 ST
To perform a single test
11
OK
11
1 1 1 ST
To perform a single test
111
OK
111
— 48 —
[PRINT]
RAM
RAM WR
END
* If the test ends with errors, the line number
and the address are printed instead of OK
message.
[PRINT]
RAM
RAM RD
END
* If the test ends with errors, the line number
and the address are printed instead of OK
message.
11
OK
11
111
OK
111