ASEM HMI30 - Display Characteristics: 5.7, 7.0, 8.4

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HMI30 / HMI30-TF User’s guide
Figure 71
Backup battery replacement
Figure 72
Backup battery replacement
Figure 73
Backup battery replacement
For 8.4 model please refer to the following images.
 Remove the two columns as indicated in figure.
 Remove the two screws as indicated in figure.