Quick Trouble Shooting
This chapter includes:
z
How to clear up “Ghost”?
z
How to correct bad pixels?
z
How to save data and restore misoperation in the field?
1. Clear up “Ghost”
process will last for about 5~8 minutes after powering on the camera.
calibration, user can perform 3-point calibration.
2 different B and K. So you should do the same operation if you find
2)
libration with help of built-in shutter.
2. Search and correction of Bad Pixels
rder to identify bad pixel, please close lens cover or
rched. The procedures is like this: Keep pressing “ST”, then
Self-check and cooling
When it finishes, after 30 seconds, the camera will switch between two FOVs and perform auto
1-point calibration separately. The lens cover will open automatically after auto calibration. If you
find some shade when powering on, you can do calibration in work site. Use B1 and B2 to
perform 2-point calibration. B1 & B2 are calibrations with real targets. You can point the camera
at a low-temp target (clear sky) and press B1. Then point the camera at a relative higher-temp
target (or close the lens cover) and press B2. After calibration, system will calculate calibration
coefficient K and perform 2-point calibration.
If the “ghost” still can’t be eliminated by 2-point
Point the camera at uniform target with different temperature as anterior two targets and press
“LK” and then “SK”, system will calculate calibration coefficient to clear up “Ghost”. In general
condition, it is advised not to carry out 3-point calibration. Press “SB1” to save the calibration
result if it is satisfying.
Note: 1) 2 FOV will have
shade in another FOV.
Press “*B1” to perform ca
When searching or correcting bad pixels, in o
aim the camera at uniform target.
Bad pixels will be automatically sea
press “P” for 3 sec until you see a flickering cross, now you are in the mode. The junction of the
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Summary of Contents for IR136
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