GRAPHTEC GL840 User Manual page 37

How to remove the SD CARD
< SD CARD >
(1) Make sure that the SD CARD displayed on the screen is green, and then remove it.
(2) Remove the SD CARD protective cover.
(3) The SD CARD is unlocked by pushing gently the SD CARD. Then, remove the SD CARD.
The SD CARD on the screen is displayed in red while accessing to the SD CARD (Device Access display
is displayed in "red" and POWER LED is blinking.). Remove the SD CARD only when the SD CARD is
displayed in green.
(4) Attach the protective cover into the upper hole and lower hole for the SD CARD protective cover.
Protective cover
CHAPTER 2 Checks and Preparation
2-13