# M1A Custom Exposure Windows

**URL:** <https://community.mobotix.com/t/m1a-custom-exposure-windows/9535>\
**Category:** Image Settings\
**Created:** [April 12, 2025, 5:10am UTC](https://community.mobotix.com/t/m1a-custom-exposure-windows/9535 "2025-04-12T05:10:48Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![BenDair](https://avatars.discourse-cdn.com/v4/letter/b/5e9695/32.png) [@BenDair](https://community.mobotix.com/u/BenDair)\
**Post date:** [April 12, 2025, 5:10am UTC](https://community.mobotix.com/t/m1a-custom-exposure-windows/9535/1 "2025-04-12T05:10:48Z")

</div>

Is it possible to add a custom exposure window to the M1A? I’m able to make a poly window in MXMC, but the camera will not use this window. It will just default to “quarter”.

SECTION camdriver

# generated by control:exposure on 2025-04-11T22:06:32-0700

ca\_exp\_window\_type=quarter  
ca\_exp\_window\_draw=auto  
ca\_avg\_intensity=50  
ca\_exp\_corr=4  
ca\_exp\_max=1280000  
ca\_exp\_min=80  
ca\_linefreq=0  
ca\_exp\_minavg=200  
ca\_exp\_mode=recording  
ca\_exp\_window\_weight=100  
ca\_extra\_area=0,poly=1271x556/712x660/128x588/11x622/14x933/1271x933,in%0A  
ca\_gain\_max=0  
ca\_night\_improve=on  
ca\_wbal\_window\_weight=-1  
ENDSECTION camdriver

SECTION imageimprover

# generated by control:exposure on 2025-04-11T22:08:38-0700

link\_mode=0  
wdr\_enable=0  
wdr\_contrast\_enhancement=0  
uhu\_gain\_mode=0  
size=3840x2160

---

<div class="post-metadata">

**Author:** ![BenDair](https://avatars.discourse-cdn.com/v4/letter/b/5e9695/32.png) [@BenDair](https://community.mobotix.com/u/BenDair)\
**Post date:** [December 27, 2025, 10:53pm UTC](https://community.mobotix.com/t/m1a-custom-exposure-windows/9535/2 "2025-12-27T22:53:21Z")

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I want to bump this subject again. Does anyone at Mobotix have an answer for this?