Comment obtenir la fréquence du canal actuel des boîtiers de télévision numériques, comme DVB-T ou ISDB-T?
How to get the frequency
L'utilisateur final doit savoir comment obtenir le numéro de canal et la fréquence. Ensuite, l'ingénieur de l'usine simulera l'émetteur de la société de télévision dans le laboratoire de l'usine chinoise., et utilisez le boîtier TV pour obtenir le signal TV sur le même canal et la même fréquence, to find the problem or solve the tv reception issue, like some channel was missing at the new tv box, some channel has tv picture but no sound or some channel has sound but no tv picture, even want to improve the tv reception strength. If the end-user can offer this information, they will help the engineer to solve these problems and offer a new upgrade software firmware.
Then how to get the frequency of the current channel of digital tv boxes, like DVB-T ou ISDB-T? Please operate like the below steps.
- Connect the power of your STB (stop-top-box) or another working-well tv box.
- At the channel you are watching, press the “INFO” button on the remote control.
- The OSD menu will be showing on the screen, you will find CH number and Frequency, like CH22 and 521.143Mhz.
- Write down the above information
- Change another channel and do the same and write down all the Channel numbers and frequencies.
- Send us, our engineer will analyze and try to offer you a solution, maybe a new upgrade update firmware software.