Temp. test of LED display
![AP0091_l](http://stg-en.graphtec-ss.jp/wp-content/uploads/AP0091_l.webp)
Checks the temp. distribution on the display surface at the time of development.
[Industry] Electronics Device [Section] Research / Development [Model] GL840
Checks the temp. distribution on the display surface at the time of development.
[Industry] Electronics Device [Section] Research / Development [Model] GL840