Question:While working in the AS5000 Transcription Module, is there any way to use keystroke commands to close one file and go to the next?”
Yes, The R 5.0.7 Transcription module allows you to use Hotkeys aka keystroke command to perform various options.
To do this:
1. Press [F11] to enable Hotkeys.
2. While in the main R5 Transcription window, press [Ctrl+O] to start the transcription process.
3. Press [Ctrl+Shift+Z] which will take you back to the main screen or you can select [Transcribe Next Recording] to automatically begin transcribing the next file.

Verification Source:
Olympus DSS Player Pro R5.0.7 Transcription Module help menu.