Length of standby time before the camera enters the sleep mode.
For RICOH THETA V or later
60 to 65534, or 65535 (to disable the sleep mode).
If a value from “0” to “59” is specified, and error (invalidParameterValue) is returned.
For RICOH THETA S or SC
30 to 1800, or 65535 (to disable the sleep mode)