There must be a general setting somewhere for how long the display is visible.
But what you need to ensure is that the decoders are set correctly regarding how it responds to remote commands. You may be getting a double respond.
Make sure the decoder is set to respond only to one mode and is not relaying commands if this is not needed.
Easyview, UEC 4T HD PVR, SD PVR, XV
Spare decoders: SD PVR(2), PACE HD PVR 4T, DSD 660, 1110, 1131, Explora 1
2 unmentionable FTA decoders
Win 10 Pro (64-bit) version 1703, build 15063.138
1.2m antenna, 8-way universal LNB, 2x6 MS, FSM permanently connected.
MS Edge 40 with MSEdge HTML 15