Mouse over [Save(F8)] at the bottom > By clicking [Hold] you can save vouchers temporarily up to 5. You can load saved voucher information by clicking the [Hold] button in the middle.
[Option]> Input Screen Setting> Code Detail Info. Setting, you can check the details of the Customer/Vendor while entering the voucher.
[Option] > Through 'Set My Code/Text', it is possible to register favorite Customer/Dept/Project and load it immediately when entering the voucher.