Applicable scenario: In the process of filling out documents or receiving payments, additional information (such as customer requirements, special instructions, etc.) needs to be supplemented.

Instructions for using the F4 note function: In the current operating interface, press the F4 key on the keyboard directly, and the system will immediately pop up a note input window, with the cursor automatically positioned in the input box. Fill in the remarks information that needs to be added in the input box. After entering, press the Enter key on the keyboard to confirm and save. Press the Esc key to exit the remarks window.

Modify remarks: If you need to modify, press the F4 key again to re-enter, and the new content will overwrite the old remarks.