Casio SM-T274 - Split Sales: Cash;Check

SE-G1/PCR-T273/SM-T274
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[3] Internal ROM Check SUM Test
[Function]
Performs the ROM check sum test.
[Operation]
Command : n
5 1 8
k
n: Number of times to run
0 Once (Can be omitted)
1 ~ 9 Innite loop (To forcibly terminate the test, press the
y
key.)
[Print]
MASK 518
MASK CHK OK
END 518
[4] Display Test
[Function]
Tests the Main Display and the Customer Display.
[Operation]
Command :
2 2 1
k
(7) Check that the segment shown below is indicated on the display.
(8) To end the test, press
y
key.
[PRINT]
DISP 221
DISP 7SEG OK
END 221