Sony RM-AAL019 AV system remote control (untested)

Sony RM-AAL019 AV system remote control, also identified as RM-AAP023. It's used to operate Sony AV receivers and home theater systems. Key features include: Controls various functions like input selection, volume, channel tuning, and sound modes. Specific buttons for theater, TV, and amplifier control. Navigation buttons for menu and settings adjustments. Compatibility with models such as STR-DG920, STR-DA3500ES, and STR-DA3600ES. No programming is required for use; it works immediately after inserting batteries. Operates via infrared (IR) signal. Requires two AA batteries, which are not included. Has a range of approximately 33 feet. Also features macro buttons for custom commands. It may have the capability to control other devices through HDMI via "BRAVIA" Sync