SPOT 4.1 Basic and Advanced Software Manual for SPOT Insight ...

Ch. 7 - Taking a Picture6. Save the Image Set-up modification.You may also select the Same as Imaging Area option. That way, the camera will meter off of the entireimage frame that you have selected (this is the default for auto-exposure). You will also note that once youcompleted Method One, if you open the Auto-exposure box and choose region, the values defining therectangle determined by the drop and drag method are resident in the Region values.Compute ExposureCompute Exposure determines the correct exposure time and gain for an image. By calculating exposuretimes and gain ahead of time, you can avoid the auto-exposure sequence that takes place each time that youuse Get Image (exposure from setup). Using Compute Exposure also changes your current image setup:• The computed exposure values are added to your current image setup.• The current image setup, if set to Auto-Exposure, is changed to User-Defined.To compute exposure, follow these steps:1. Select Compute Exposure from the Camera menu. The ComputeExposure window displays the image setup options (from thecurrent setup) that directly affect the computation. The entries forthese options can be modified from this window. Modifying theoptions also changes the current image setup.InsightB/WInsight B/W camera users will notsee white balance values on theCompute Exposure window.Note: For information on entering Image Type, Auto-Gain Limit, Adjustment Factor, and WhiteBalance, refer to Ch. 5 – Preparing to Take a Picture.Click on Begin. The Status message changes to Computing exposure… When the camera finishessampling the light, the Exposure window displays the values.2. Select an image setup from the Save to Setup drop-down box. The current image setup is the default.Note: Saving an exposure value to an image setup changes the setup from Auto-Exposure to User-Defined Exposure.3. Click on OK. When you open the Image Setup window, the new exposure value displays.4. Select Get Image (exposure from setup) to capture the image using the new exposure values.User Guide to the SPOT Insight Camera 129