Unreadable recording in low light

[konto]

Hi, I notcied that A139 Pro records some kind of garbage when there is low ligh and HDR is off. It typically looks like this:

with HDR off, the recordings are also quite small, 4 seconds long, despite recording interval is set to eg. 4 minutes.

 

[CaptureYourAction]

What brand and model memory card are you using?

How are you powering the camera?

 

[konto]

Issue was observed on two cards:
1. Samsung EVO Plus 256 GB
2. SanDisk Extreme 64GB A2 V30
Firmware version is V1.0_0206, I am going to update it and see if issue persists.
Dashcam is powered via Viofo HK3-C kit, this happens both in parking and normal mode. What's more, I plugged USB charger, turned off the lights in room and got the same effect.
It is gone when HDR is on, but then again, I noticed HDR mode being resetted to off (automatic HDR mode was not engaged).

 

[konto]

Also one thing, not sure this could be related, by this is 2CH camera but I didn't connect the back camera so far.

 

[mikey94025]

Firmware version is V1.0_0206, I am going to update it and see if issue persists.

There was a similar issue reported with V1.0.1217 and fixed in a firmware update: https://www.rdforum.org/threads/126828/#post-1809351. Suggest updating to latest available firmware (V1.1_0321) and see if it is fixed.

 

[konto]

I updated the firmware to latest available and can confirm the issue is gone when testing camera in dark room. I will check it again in garrage and report.