Denso BHT-825QW User Manual page 137

BHT-825Q series
[2] Memory test
Use the following procedure to perform a memory test.
1.
Select "2: MEMORY" at the TEST menu and then press the ENT
key.
The screen on the right displays, and the BHT reads and writes data to and
from all areas of the RAM and performs an address check.
"XXXXX": Tested RAM capacity (unit: kilobytes)
"YYYYY": Total RAM capacity (unit: kilobytes)
If any error is detected, the BHT speaker beeps three times, displays a
message similar to that shown on the right, and aborts the memory test.
"ZZZZZZZZ":
"AAAAAAAA":
"BBBBBBBB":
Press the BS/C key to return to the TEST menu.
Upon normal completion of the RAM test, the BHT speaker beeps once,
displays a message similar to that shown on the right, and returns to the
TEST menu.
122
Address where the error occurred
Data to write
Data read out the RAM