# SHARP OSA SETTINGS

You can use the Sharp OSA Settings if the machine has an External Account Module or an Application Communication Module.
The application communication and the external account module module will be a standard equipment in some countries and regions.
External Account Setting
External Account Control
When this setting is enabled, the machine enters external totaling mode and the totaling function can be used via an external account application.
Enable Authentication by External Server
When this setting is enabled, the machine enters external authentication mode. Access to the machine is controlled by the external application.
When settings are changed, the changes will take effect after the machine is restarted. To restart the machine, see "TURNING ON THE POWER" in "BEFORE USING THE MACHINE"
USB DRIVER SETTINGS
When installing the external account module or application communication module, set the driver of the USB device to be connected.
External Keyboard
Select whether the internal or external driver for the external keyboard is used.
Card Reader/Writer
Select whether the internal or external driver for the IC card reader/writer driver is used.
USB Memory
Select whether the internal or external device driver for the USB memory device driver is used.
Level of Encryption
Select the level of encryption for communication using the external driver.
Select from none, AES-128 or AES-256.

- When the external driver is selected, the connected USB device is treated as not connected and cannot be used.
- When settings are changed, the changes will take effect after the machine is restarted.
  To restart the machine, see "TURNING ON THE POWER".
- To check the connection when a USB device is connected to the machine, see "USB-DEVICE CHECK".

Job Priority Settings
Set the playing speed of the animation in Sharp OSA applications.
The following settings can be configured.

- Priority Printing
- Half Tone
- Priority Animation Play

If the [LCD Animation Playback] or [Balanced] is selected, the job (or print) process speed of the machine may drop.
Select [Priority Printing] to increase the process speed of print job.
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