Depending on the AD-1687 operating state, the options which can be set will change.
- While conducting interval recording, fields besides "PRIMARY DATA (selection of the primary display) cannot be selected.
To make changes, stop interval recording for a while. - "USB" (USB function select) can only be selected when the AD-1687 and computer are connected via USB cable.
- When the AD-1687 is communicating with the computer, items besides "USB" (USB function select) cannot be chosen.