RX100 S7
Upgrade and Maintenance Manual 239
Expansion cards and backup units
V CAUTION!
Make sure that the connector side with the three dots is on the top (see 
close-up). Otherwise you risk short-circuits.
9.5.1.4 Installing the BBU in the BBU holder
I There are different BBUs available. Please notice the position of the 
three bolts (see circles in figure 147and figure 148) to recognise the right 
position for installing the BBU in the BBU holder.
Figure 147: Installing the BBU in the BBU holder (example A)