## Gain max 2055 for QHY 294M

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POUMIER
Posts: 2
Joined: Sat Dec 26, 2020 8:55 am

### Gain max 2055 for QHY 294M

Hello i use camera QHY 294 M

With the last ver 3.3.7146 the gain max is only 2055

With the ver 3.2.6457 the gain max was correct 3500

i use windows 10 64 bits and the last DLL SDK from QHY
Posts: 6149
Joined: Sat Feb 11, 2017 3:52 pm
Location: Vale of the White Horse, UK
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### Re: Gain max 2055 for QHY 294M

Hi,

please can you try the following to see what information SharpCap is getting from the SDK:

SharpCap 3.3, go to the settings and enable additional logging of camera hardware communication in the 'Logging' tab.
Capture.JPG (64.74 KiB) Viewed 163 times
Once you have made that change, open the camera. Once it opens, close it again fairly quickly (otherwise the log will be very very large!).

If you then look through the log you should see entries about SharpCap asking the SDK what the gain range is - like the ones below:

Code: Select all

Verbose	17:40:48.296478	#1 	Camera : SharpCap.Cameras.QHY.Camera.GetControlMinMaxStep :: Starting GetControlMinMaxStep(CONTROL_GAIN)
Verbose	17:40:48.296478	#1 	Camera : SharpCap.Cameras.QHY.Camera.GetControlMinMaxStep :: Completed (returned (0, 51, 1)) GetControlMinMaxStep(CONTROL_GAIN)

On the camera I tested with, the gain range is 0->51.

You can do the same in 3.2, but the controls over the logging are in a different place (bottom of first page of settings) and are less granular. The log is a bit less readable too.

Robin
POUMIER
Posts: 2
Joined: Sat Dec 26, 2020 8:55 am

### Re: Gain max 2055 for QHY 294M

I am sorry le ver 3.3 install another directory and the dll qhy was nov 2020 now i install the dll of qhy 27/12/2020 and the gain max is now 3694 very fine tnx for all software is realy good job .
Best regard christian