QHYCCD QHY8L - Manual (Page 16)

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EZCAP can control temperature manually or
automatically for the QHY8L camera.
Choose Temperature Control from the Setup
menu. There are three temperature control
options in the window. TEC OFF, Manual and
Auto Control. TEC OFF will turn the cooler of the
camera off immediately. Manual will adjust the
power % of the cooler. It can be adjusted by the
PWM regulation section on the left. The range of
regulation is from 0% to 100%. Auto Control will
adjust the power % of the cooler dynamically to
maintain a constant sensor temperature set by the
user.
Images which are produced by EZCAP will cover
the area of Overscan and Optic black as shown in
the reference image on the right of this page.
Data from these regions can be used for CCD
image preprocessing. But not all software capture
produce this kinds of area.