How to automatically switch between TV and VRC mode

摘要

The present invention relates to a TV / V-Cal automatic switching method, and when the play key or the menu key is input from the key input unit of the V-Cal, that is, on its own panel or the remote controller, a corresponding key signal is provided to the microcomputer, Based on the control signal, the modulator switches from TV mode to V-Cal mode. When playback of the signal recorded on the videotape is completed or the input of the menu is completed, the modulator changes from V-CAL mode to TV mode based on the control signal of the microcomputer. By switching, TV mode and BC mode are automatically switched, so that user's convenience can be further enhanced.