Sony ILCE-7S User Manual page 23

Make sure the connector cover is outside the cable protector when you attach the cable
protector.
[5] How to Use Before Use
Identifying parts (Bottom view)
1. Battery insertion slot
2. Battery cover
3. Tripod socket hole
Use a tripod with a screw less than 5.5 mm (7/32 inches) long.
Otherwise, you cannot firmly secure the camera, and damage to the camera may
occur.
Connection plate cover
Use this when using an AC-PW20 AC Adaptor (sold separately).
Insert the connection plate into the battery compartment, and then pass the cord through the
Names of parts