PORTABLE INFORMATION TERMINAL EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To enable a user to easily confirm a check on the capacity of a storage medium to be used for a mobile data communication. SOLUTION: When a memory card 3 is inserted into a memory card mount part 18, the remaining capacity of the memory card 3 is detected and indicated by turning on a dial key 16 having the number corresponding to its percent value; and the remaining time of data transmission is calculated every minute during the data transmission period and displayed by turning on a dial key corresponding to the calculated value.