SoundMax SM-CDM1037 - Manual (Page 16)

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buttons to choose different music programs. Each number button will show 3 different speech programs for
you to choose.
When PTY is selected, the radio starts to search corresponding PTY information, and stops if the
corresponding PTY information is detected. If no buttons are pressed within several seconds, previously
selected PTY is searched. During 1 loop, if desired PTY is not found, the unit will return to previous mode.
Press PTY button for the 3rd time to switch the PTY function off.