Table 4 : Most commonly used keys in program mode
FUNCTIONS
KEYS
PROGRAM MODE
To get into program mode
User can not get into program mode when ∑ (▼) is on,
that is, previous transaction(s) is not completed.
To choose menu
To move to previous or next character
To go to the higher level of menu
To go to the lower level of menu
To save number
To get into edit mode
To input number
To input number from an ASCII code
To clear all text
To delete characters like backspace key
To input and save character in accordance to ASCII code
To disable
To enable
To save
To clear
PROGRAM MODE
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