Adcon A753 User Manual page 10

2. Locate the SIM card holder and open it by sliding it as indicated
by the red arrow (see Figure 3).
3. Raise the holder top and slide the SIM card into it (see Figure 4).
4. Snap the holder top back on and slide it back as shown again by
the red arrow depicted in Figure 5.
5. Close the lid, taking care that the rubber gasket seal is inside its
track and free of dust or dirt.
WARNING Be sure to mount the rubber gasket properly, so that the unit's IP65
environmental protection is not affected.
Figure 3. Open the SIM card holder
Figure 4. Insert the SIM card into the holder
Figure 5. Close the SIM card holder
10
CHAPTER 2
Installing the RTU