The instrument turn on and initial check was performed on August 30-31, 2005. The instruments were powered sequentially and all instruments turned on and returned instrument housekeeping data. Most objectives were achieved, although both the HiRISE camera and CRISM spectrometer terminated activities early due to internal temperature checks that indicated irregular conditions. For the HiRISE camera, the team conferred and decided to adjust thermal conditions - kind of like lowering the temperature on the thermostat to kick on the air conditioning - to make the instrument more comfortable. After that procedure, the camera checkout was positive.

Turning on the coolers in the instrument cooling system for the CRISM spectrometer caused a sensor on the instrument to go into safe mode because it thought it was too cold. That issue has been resolved and the complete check of the instrument will be conducted in December. The MARCI and Context Camera each took a single image (of space), which were successfully returned. MARCI also took calibration images of the Earth and Moon three days after launch. All other instruments checkouts went well.

Credit: NASA/JPL

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The instrument turn on and initial check was performed on August 30-31, 2005. The instruments were powered sequentially and all instruments turned on and returned instrument housekeeping data. Most objectives were achieved, although both the HiRISE camera and CRISM spectrometer terminated activities early due to internal temperature checks that indicated irregular conditions. For the HiRISE camera, the team conferred and decided to adjust thermal conditions - kind of like lowering the temperature on the thermostat to kick on the air conditioning - to make the instrument more comfortable. After that procedure, the camera checkout was positive.

Turning on the coolers in the instrument cooling system for the CRISM spectrometer caused a sensor on the instrument to go into safe mode because it thought it was too cold. That issue has been resolved and the complete check of the instrument will be conducted in December. The MARCI and Context Camera each took a single image (of space), which were successfully returned. MARCI also took calibration images of the Earth and Moon three days after launch. All other instruments checkouts went well.

Credit: NASA/JPL

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