Do you have a question about the MX4 and is the answer not in the manual?
Questions and answers
Mark Ulrich
May 1, 2025
Every time I try to calibrate my unit, I get an F reading on the O2 reading, what would be causing this? I have tried indoors, outdoors everything will zero out but the O2 all I get is F?
Page 1
*Not included with the charger adaptor. Cradle latch Battery holder Charging contacts Supplies Checklist MX4 Li-ion battery pack (not included) or MX4 Li-ion extended range battery pack Instructions for Use (not included) Charger (not included; Single-unit Charger shown) See next page.
Page 2
MX4 External Battery Charger Adaptor User Guide (page 2 of 2) Install Charge Remove Battery Pack Step 1. Place the battery pack Step 2. Press down on the battery Step 3. Place the charger's insert Step 5. Lift the battery bottom at...
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Do you have a question about the MX4 and is the answer not in the manual?
Questions and answers
Every time I try to calibrate my unit, I get an F reading on the O2 reading, what would be causing this? I have tried indoors, outdoors everything will zero out but the O2 all I get is F?