PLANET ICA-500 - Manual (Page 37)

We strongly suggest using SanDisk CF memory card to avoid
compatible issue with this device.
Because this device does not support plug and play function yet.
Therefore, while you want to plug a CF memory card into slot,
please make sure power off the device first, then plug this CF
memory card carefully.
When you want to remove this CF memory card from device,
make sure click the disable button first, then remove CF memory
card. Otherwise, this CF memory card may be damaged and all
image files are lost.
Note
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