Haier HL15R Service Manual page 37

Range Scan: The function could make it to search the channels by differentiation the analog and
digital channels.
Single RF Scan: Search channels in the frequency scope set in advance.
Factory Scan: According to ANTENNA-ANALOG---〉ANTENNA-DIGITAL---〉CABLE- ANALOG---〉
CABLE- DIGITAL to search channels, used only in project debugging.
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