SATO CT4-ex-RF Operator's Manual page 36

 Insert the SD card in the SD card slot.
 Open the top cover.
 Open the front cover, and make notes about the settings of number 1, 2 and 3
of the DIP switches.
 Set number 1 of the DIP switches to OFF, number 2 to OFF, and number 3 to OFF.
 Close the top cover.
 Turn on the power while holding the ON LINE button and FEED button
pressed. Keep the
appears on the ERROR status LED.
 When the ERROR status LED becomes "n" after releasing the button, press
the ON LINE button.
 When the ERROR status LED becomes "y", press the FEED button.
(Performing the reading out)
 The printer reads out the setting contents stored in the SD card.
 After the reading out is complete, the printer is automatically powered on and
performs the test print. If the media is not loaded at the time, a paper-end error
occurs.
 The printer goes to Online mode after the test print.
 Power off the printer.
 Set the DIP switches as they were according to the notes made in step  .
The setting contents of the printer have been read out.
Initializing the SD Card
The SD card can be initialized by the following procedure.
 Insert the SD card in the SD card slot.
 Open the top cover.
 Open the front cover, and make notes about the settings of number 1, 2 and 3
of the DIP switches.
 Set number 1 of the DIP switches to OFF, number 2 to OFF, and number 3 to
ON.
 Close the top cover.
 Turn on the power while holding the ON LINE button and FEED button
pressed. Keep the
appears on the ERROR status LED.
 When the ERROR status LED becomes "n" after releasing the button, press
the ON LINE button.
 When the ERROR status LED becomes "y", press the FEED button.
(Performing initialization)
 The buzzer sounds once to signify initialization has finished.
 Power off the printer.
 Set the DIP switches as they were according to the notes made in step  .
The SD card has been initialized.
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ON LINE button and FEED button pressed until "a"
ON LINE button and FEED button pressed until "e"