SDE-330, SRV-330, SDX-330: Checking the ROM version May 02, 2023 08:19 Updated Follow The current ROM version of these units is displayed upon power up. Related articles SRV-330, SDE-330, SDX-330: Further Mode SDE-330: MIDI Capabilities SDE-330, SRV-330, SDX-330: Dimensions SRV-330: Algorithm List SDE-330: Algorithm List