Casio 120CR Service Manual page 19

4. Read only test for EEPROM (This test is effected at EEPROM version.)
Press "4" key and "SUB TOTAL" key.
Execute read check in test area of EEPROM continually.
To escape this test, turn the mode switch to "OFF".
In case an error happens, the machine beeps an error sound and issues an error receipt.
Nomal end receipt
Except US
1 2 3 4 5 6 7 8 9 0 ST #
1 2 3 4 5 6 7 8 9 0 1 2 ST #
5. Battery voltage check
Press "7" key and "SUB TOTAL" key.
Display the voltage level of memroy protection battery.
To escape this test, turn the mode switch to "OFF".
VCC=5.35V(Standard)
6. Print test
Press "8" key and "SUB TOTAL" key.
The machine prints all chatacter.
Receipt sample
0 0 0 0 0 0 0 0 0 0 CA Z
1 1 1 1 1 1 1 1 1 1 CH 1
2 2 2 2 2 2 2 2 2 2 RA 2
3 3 3 3 3 3 3 3 3 3 PO 3
4 4 4 4 4 4 4 4 4 4 NT 4
5 5 5 5 5 5 5 5 5 5 STCK
6 6 6 6 6 6 6 6 6 6 AT +
7 7 7 7 7 7 7 7 7 7 CG -
8 8 8 8 8 8 8 8 8 8 TX X
9 9 9 9 9 9 9 9 9 9 RF@
- - - - - - - - - -
, , , , , , , , , , * #
• • • • • • • • • •%NS
# # # # # # # # # # VDTA
7. Time test
Press "9" key and "SUB TOTAL" key.
Display the time.
To escape this test, press "C" key.
US
# 8
Note : US version is printed out
14 characters.
— 17 —
Error end receipt
Except US
# # # # # # # # # 8
US
• • • • • • • • • 8
5 3 5
Voltage level
2 3 -
5 9 1 2