Random chars on horizon line and HUD Frame

[onuroztrk]

Issue details

When i rotate pixhawk4 there is strange random chars appears on horzion line. Actually horizon line consist of random chars.

Version

Firmware:
MinimOsd_Extra_Uni.946DV-MAVLINKPX4-release.hex
Char Set:
MinimOSD_2.4.1.6.mcm

Board type

mini OSD

How "canonical" OSD firmware works?

[ ] Works fine
[ ] The same bug
[ ] Not applicable
[ x] Not tested

TLOG and OSD

Here is a video:
https://youtu.be/m_dSt1bYgu4

And screen:

Thanks!