The disto doesn't show a preview/aiming red dot. Only on the 2nd press of the DIST button does the dot show, just before taking the measurement. Then intermittently I get ERROR 220 displayed which requires the disto to be turned off and back on again. (Clear/off doesn't work). Please help.
I had this exactl problem and resolved it by replacing the batteries
Thanks. I was using rechargeable batteries. I'll put in new ones and try that.
exact the same here with X310, changing for new batt. does not help for me....
Instead of sending back the unit for repair, as suggested by the user manual, I just replaced the batteries (even using rechargeable ones, 1.2V instead of 1.5V), and my unit is working again. Measuring the old batteries proved them to be dead. The manual should be repaired !
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