Replace SD Flash Card
Step 1. Switch Off device. Remove all cables but don't forget their order.
Step 2. Unscrew the screws on the side and remove the device cover.
Step 3. Push on SD Flash Card and remove it.
Step 4. Insert SD Flash Card and push.
Step 5. Close device cover and connect all cables in the same order as before.
Step 6. Turn On device. Be sure that all channels are blinking.