Casio SF-5300B Service Manual & Parts List page 22

Operation
(After a few seconds)
2
( or 4 )
ESC
Key Check
Each key has its own key code. The key codes are assigned incrementally from left to right on the key
board. (Refer to the keyboard in the schematic diagrams.)
In the auto mode, the key input sequence is limited so that the keys must be pressed in the order of the
key code as mentioned above. If a key is pressed in the wrong order, the SF-5300B beeps.
Operation
Press 3 on the TEST MENU.
2
Display
MEMORY 3 WR2
4 READ2
1 WR1 5 DUMP
2 READ1 6 CHKSUM
EXECUTING!!
COMPLETE!!
64KB
DATA ERROR!!
ADDRESS CORR RAM
XXXX XX XX
MEMORY 3 WR2
4 READ2
1 WR1 5 DUMP
2 READ1 6 CHKSUM
Display
KEY 1 RANDOM
2 AUTO
No display
— —
21
Note
RAM error
If the displayed address
is within 0000-7FFF,
check LSI3.
If the displayed address
is within 8000-FFFF,
check LSI2.
Note
Key check
To return to the
TEST MENU,
press ESC .