JIANGSU Sfere720A, User Manual

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“ ”. If the password is correct, you can enter the programming menu, however, if
the display does not change, it means that you have failed to enter programming
menu. Please try again. Be careful if the password is changed, and do not forget it,
as no programming is allowed if the correct password is not entered.
Function of four keys in programming mode. Press “ ” or “ ” to switch to
different programming menus or change values; Press “ ” key to revert to upper
level of menu; Press “ ” key to enter programming menu and confirm
modification.
To change values, press “ ” key to select a bit, and press “ ” key to change
the number at the selected bit.
To change the position of decimal point, keep pressing “ ” key until no number
flashes, and then press “ ” key to change the position of decimal point in
flashing status, press “ ” key to confirm the position.
After the value or item of third-level menu is changed, press “ ” key to confirm
the modification and revert to second-level menu. However, if “ ” key is pressed,
the modification will not be effective.
To exit programming mode, please revert to first-level of menu at first, and then
press “ ”, the meter will display “ -- ”. Below are three kinds of
operations optional.