Sony ILCA-77M2 - Manual (Page 19)

[5] How to Use Before Use Names of parts
Identifying parts (Sides/Bottom)
1. Microphone jack
When an external microphone is connected, the internal microphone is turned off automatically.
When the external microphone is a plugin-power type, the power of the microphone is supplied
by the camera.
2. Hooks for shoulder strap
Attach both ends of the strap onto the camera.
3. (Flash sync) terminal
4. REMOTE terminal
When connecting the RM-L1AM Remote Commander (sold separately) to the camera, insert the
plug of the Remote Commander into the REMOTE terminal, aligning the guide of the plug with
the guide of the REMOTE terminal. Make sure that the cord of the Remote Commander faces
forward.
5. Speaker
6. DC IN terminal
When connecting the AC-PW10AM AC Adaptor (sold separately) to the camera, turn the camera