Make sure the probes are fully seated in their respective recepticles.
That way, you won't have the wonky HHH readings.
Be careful with the screws on the back of the battery compartment on the receiver. They are microscopic and can strip out very easily. I wish they had used better screws!
Shirley Fabrication 24X60
Weber 22" OTG
"You have never lived until you have almost died". "For those who fight for it, life has a flavor the protected will never know".-Unknown Vietnam Soldier