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4. TEST PROGRAM
machine without requiring special checking devices.
Designation key
Numeric key
O
|
Aging test
1
Buzzér test
Display test
RAM test
"Printer test
Slip sensor test
Mode: switch. test
'Operational key test
* Clock test
'ON
Oo
LON
4-3. Aging test
Depress
" ~ ~
O key
BUZZER
TEST
DISPLAY
TEST
-.
Contents of display
will change to pattern.
shown at right
RAM
TEST
:
PRINTER TEST
Printout of the pattern
illustrated will be.
developed
_
BE=2520
4-2. Test mode
DISPLAY TEST PATTERN
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