Troubleshooting & Indicators
Indicator Lights (Front Panel)
DC → Monitor detected
RX0 → Host PC detected
RX1 → Secondary PC detected
RH → Overlay enabled
If a light is off, that signal is not detected DC500 User Manual
On-Screen Info (Press K1)
Shows:
MAIN: Host resolution & Hz
SECOND: Secondary resolution & Hz
ALPHA: Overlay strength
BD: Firmware date
UID: Device ID
EDID: Mode A or B
SEC: Activation status
EDID Modes (Critical)
Mode A (Default) – Universal compatibility
Mode B – Native display compatibility
If you get no image, switch to Mode B (Long-press K1 for 5 seconds → auto reboot)
Common Fixes (90% of Issues)
No Image but All Lights On
Long-press K3 (factory reset)
Power off everything → reconnect cables
Reset monitor to factory defaults
Switch EDID Mode (K1 long press)
Black Screen When Launching Games
Disable G-SYNC
Match in-game resolution to desktop
Reset GPU control panel settings
Repeating / Tiled Screen
Set same resolution on both PCs
Switch EDID Mode
Factory reset (K3)
Artifacts / Image Shift
Factory reset (K3)
Reboot fuser
Final Notes
Always use certified HDMI 2.1 FRL 48 Gbps or DP 1.4+ cables
Plug cables into the GPU, not motherboard ports
When in doubt: K3 long-press reset
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