9
3-3-7
PRINT KEY
Used in time of holding or printing.
3-3-8
MENU
KEY
Used in choosing a supplementary function.
3-3-9
▼
KEY
ZERO
Used in time of correcting the datum point or moving a figure or digit.
3-3-10
▲
KEY
PURGE
Used in time of doing a purge or executing a value increase.
3-3-11
ENTER KEY
Used in time of measuring or approving a supplementary function.
3-3-12
ESC
KEY
Used in time of returning to ready mode.
3-3-13
Internal printer case: The print paper comes out this case.
