Sharp UP-3500 Instruction Manual page 10

Contactless clerk switch
Contactless clerk switch is used with contactless clerk keys.
Contactless clerk key
Put the key to the contactless clerk switch.
How to open the side cover
While moving the side cover release lever towards you,
pull the side cover and rotate the cover upward as shown
in the illustration at the right.
Terminal Connection/slot inside the side cover
RS232 port
The application software will determine the usage and availability of the external port.
8
Contactless clerk key
(optional)
Side cover
3
2
SD card slot
RESET switch
DO NOT move the reset switch unless instructed to do.
Doing so may damage or delete the data.
Side cover release lever
1
(located at the bottom cabinet)