Installers frequently struggle with atmospheric attenuation (heavy rain/cloud fade) or physical obstructions (trees, neighboring buildings) that aren't immediately obvious when measuring a raw transponder signal. How the Feature Works: SATLINK ST-5150 DVB-S2/T2/C COMBO Satellite Finder Meter
What is the listed in your device's "Information" menu? 265 support ) or a bug fix ? satlink st5150 firmware link
That said, here are some general steps and considerations for finding and updating firmware for your Satlink ST5150: satlink st5150 firmware link