V-4EX: Does the V-4EX have an AUTO/OFF feature? May 01, 2023 06:43 Updated Follow Yes, after 240 minutes of no video input or operation of the unit, it will shut off. Related articles V-4EX: Set Up Your Audio Mix V-4EX: What can I send to the Video Outputs? AR-200S - I'm trying to operate my AR-200S from Hyperterminal in Windows. How do I send the stx command they talk about in the RS232 manual? V-4EX: Factory Reset/ Default