240 Upgrade and Maintenance Manual
 RX100 S7
Expansion cards and backup units
Figure 148:  Installing the BBU in the BBU holder (example B)
Ê At a slight angle, fit the BBU under the right retaining bracket on the BBU 
holder (1).
Ê Fold down the BBU until it locks in place (2).
9.5.1.5 Installing the BBU with the BBU holder
Figure 149: Position of the shoulder screw caps