Device Prop Code
Acquire or set the operating time (msec) of the self-timer.
This property can be set in still image capture mode and in movie shooting mode (RICOH THETA V firmware v2.50.1 or later).
If captureDelay is enabled, self-timer is used by shooting.
0 (Disabled), 1000 or over, 10000 or less (Enabled)
This can be set in 1000 msec unit.