1.Cumulative water/gas flow query:
Stop running, press and hold the "function key" for 3 seconds to query the
instantaneous water flow, then the icon "water flow L/min" lights up, no opera-
tion within 5 seconds automatically exit;
Within 5 seconds, press the "function key" again, turn to query the instanta-
neous gas flow, then the icon "water flow m3/h" is lit, no operation within 5
seconds.
Press and hold
3 seconds
Stop running
Press
Within
5 seconds
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