How to use a satellite finder to test your LNB
To use a satellite finder to test your LNB (Low Noise Block downconverter), follow these steps:

Set Up the Satellite Finder:
Connect the coaxial cable from your satellite dish to the "LNB IN" or "SAT IN" port on the satellite finder.
Connect another coaxial cable from the satellite finder's "TO RECEIVER" or "OUTPUT" port to your satellite receiver or TV.

Power On the Satellite Finder:
Turn on the satellite finder using its power switch or button. Some satellite finders may be powered directly from the satellite receiver or TV.

Configure the Satellite Finder:
Use the menu or settings options on the satellite finder to select the appropriate satellite you want to align with. Refer to the user manual of the satellite finder for specific instructions on how to set the satellite.

Align the Satellite Finder:
Adjust the elevation angle of your satellite dish based on the provided specifications for your location. This information can be obtained from satellite dish installation guides or online resources.
Slowly move the satellite dish from side to side (azimuth adjustment) while observing the signal strength meter on the satellite finder.

Maximize Signal Strength:
Continue adjusting the azimuth angle until you achieve the highest signal strength reading on the satellite finder's signal meter.
Fine-tune the alignment by adjusting the elevation angle while monitoring the signal strength meter. Make small adjustments until you optimize the signal.

Confirm Signal Lock:
Check your satellite receiver or TV to see if you have a signal lock or if the desired satellite channels are being received properly. This step confirms that your LNB is functioning correctly.

Secure the Satellite Dish:
Once you have achieved optimal signal strength and confirmed signal lock, tighten the mounting brackets and secure the satellite dish in its final position.

It's important to note that the exact steps and features of satellite finders may vary depending on the model and manufacturer. Always refer to the user manual specific to your satellite finder for detailed instructions and troubleshooting guidance.