Remove the splitter as it's not needed for the HR24. The coax from the brick is connected to input 1, input 2 is not used for SWM. You then need to setup the receiver correctly.
Here's my setup, yours may be different.
1. Do not install B-Band Converters
2. Plug in 3 power cords. Turn on receiver wait for setup to complete (about 5 minutes).
3. Menu-Settings & Help-Settings-Display-TV Ratio: Widescreen 16:9
4. Menu-Settings & Help-Settings- Display -TV Resolutions: Check all resolutions.
5. Menu-Settings & Help-Settings- Display – Video: On, Pillar Box, Dark Gray
6. Menu-Settings & Help-Settings-Display-Preferences-Guide HD Channels: Hide SD duplicates.
7. Menu-Settings & Help-Settings -Satellite-Repeat Satellite Setup: Dish setup: Option 17 Swimline-3S(SWM), 01: SWM, Dual. To confirm: Menu-Setup-System Setup-Info & Test-More System Info and confirm dish type
