Inkbird IHT-2PB, Operation Instructions Manual

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When you plug the external probe P2, the P2 probe is the
current channel. The LCD screen displays data of the
current channel in priority. P2 symbol appears on the
screen.
When ALM2=ON (the alarm function of P2 probe is
on),the screen displays SET TEMP and the alarm value of
P2probe.
When ALM2=OFF (the alarm function of P2 probe is
off),the screen displays SET TEMP and “ ”.
When you plug both external probes simultaneously, both
external probes are current channels. The LCD screen
alternately displays data of both external probes at a
frequency of 0.5Hz.
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