— 7 —
Check item Operation Display Note
(BOOT) Press ON while pressing
keys, SPACE + P +
Main menu
Whenever returning to the main
menu there will be a beep
sound.
RAM CHECK
(1 RAM)
Beep
With the beep the display
becomes clear.
(After a few seconds) To return to the main menu,
press any key.
LCD CHECK
(2 LCD)
Frame
Any key All dots
Any key Checker
Any key Reversed checker
To return to the main menu,
press any key.
KEY CHECK
(3 KEY)
Press the key according to
what is appeared on the LCD.
Press any key after last key
check to return to the main
menu.
1
RAM 256KOK
ROM 4MOK5890
0:ALL 1:RAM 8:CP
2:LCD 3:KEY 9:VP
4:SW 5:PR1
6:COM 7:PR2
2
3
1
P
Z
8. DIAGNOSTIC PROGRAM
Note: Make the reset operation after RAM check, because the RAM check break the data stored in
RAM.