QHY5III Series
04 Use QHY5III with ASCOM
You can connect many software which support ASCOM. Currently QHY5III only support normal
ASCOM connection. Does not support the ASCOM VIDEO connection. Please note QHY5III always
transfer maximum bit depth (QHY5III174, 224, 290, 185 is 12bit and QHY5III178 is 14bit) by
ASCOM to make the best DSO imaging performance. The image format is 16bit bit width and
patch zero on low bit.
MAXIMDL
1. Download and Install ASCOM platform from
http://www.ascom-standards.org/
2. Make sure the QHY5III ASCOM driver is installed. If not please install it
3. Run MAXIMDL
4. In camera model select list, select ASCOM and then select QHYCCD-Cameras-Capture
5. In properties, select QHY5IIIxxx Camera
6. Normally, you can set the gain=1 and offset=10 to start. The speed and overscan calibration
options are no using in QHY5III camera.
This is a screen shot that QHY5III174M running in MAXIMDL. Since the QHY5III has no large on-
camera frame buffer. In a small chance you may meet the frame drop. In this condition, you
need wait a longer time than the expected exposure time to get a frame.
When you change the exposure. CMOS sensor will generate one or more short exposure frame
and you may receive this frame. And the next frame will be a normal frame with correct
exposure time.
Summary of Contents for QHY5III174C
Page 1: ...USB3 0 high speed camera QHY5III Series User s Manual REV 1 2...
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