LNERGE Posted February 27, 2021 Share Posted February 27, 2021 I want to try and dim the directional headlights as operated by function 0. Despite looking at the instructions the process hasn't really sunk in. Could someone advise complete with subtitles for the hard of understanding what i need to do? Link to post Share on other sites More sharing options...
Piemanlarger Posted February 27, 2021 Share Posted February 27, 2021 You need to find out what cv controls it and lower it by re programming. Who sound chip project is it ? Link to post Share on other sites More sharing options...
Hamburger Posted February 27, 2021 Share Posted February 27, 2021 (edited) Lets assume that the wiring was done done in the usual way which means front lights are connected to 'front light' output and rear lights are connected to 'rear light' output. To change brightness you first have to tell the decoder that you want to change something on the output settings by writing (before doing anything else !!!) CV 31 = 16, CV 32 = 0. Then read CV 262 and CV 270 as these are the brightness values for front and rear light. Maximum value is 31 so decrease these values according to your needs and rewrite them. Edited February 27, 2021 by Hamburger Link to post Share on other sites More sharing options...
LNERGE Posted February 27, 2021 Author Share Posted February 27, 2021 Super I’ll give that a try thank you. Link to post Share on other sites More sharing options...
LNERGE Posted February 27, 2021 Author Share Posted February 27, 2021 I've read cv's 262 and 270 and both were 31. I tried 10 and then 1 but there is no change in brightness. I have read each cv back to confirm the change. Link to post Share on other sites More sharing options...
Hamburger Posted February 27, 2021 Share Posted February 27, 2021 40 minutes ago, LNERGE said: I've read cv's 262 and 270 and both were 31. I tried 10 and then 1 but there is no change in brightness. I have read each cv back to confirm the change. In this case it is either - unusual wiring of the headlamps - tricky mapping - secondary function output setting was used ((CV31=16,CV32=0) CV422,CV430) I find it too risky to do something seriously wrong under these circumstances. You should ask the person/shop you bought the loco from. Link to post Share on other sites More sharing options...
LNERGE Posted February 27, 2021 Author Share Posted February 27, 2021 Yes the shop has made some changes to the loco in the form of a tail lamp modification controlled by functions six and seven. Link to post Share on other sites More sharing options...
LNERGE Posted February 27, 2021 Author Share Posted February 27, 2021 I have successfully altered the brightness of another loco fitted with a Loksound v5 just now using cv's 262 and 270. This has reduced the light bleed though the folded headcode discs. 1 Link to post Share on other sites More sharing options...
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