Roberts Radio Gemini 33 CRD-33 - Manual (Page 38)

Signal strength display - DAB
1. Press and release the Info button until the lower line of the display
shows the signal strength.
2. Position your radio and carefully angle the telescopic aerial for best
reception using the signal strength display as a guide. Move your radio
around and position to give maximum number of black rectangles on
signal strength display. The clear unfi lled rectangle indicates minimum
signal level required for satisfactory reception.
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