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Manual Tune:
1. Press MENU, and then turn the SCROLL knob to < Manual tune >, press it to confirm.
2. Turn the SCROLL knob step between the channels and press it to select the current channel.
Note: If there is a multiplex corresponding to this channel and frequency, then the display will show a tuning
meter with the signal strength and the multiplex name after a few seconds.
3. Press the SCROLL knob again to exit this order.
Prune invalid:
1. Press MENU, and then turn the SCROLL knob to < Prune invalid >, press it to confirm.
2. Turn the SCROLL knob to ‘YES’, and press it to confirm.