User Manual
24
Start-Up
Caution!
Do not operate the device when one of the following condi-
tions applies:
• the device shows visible damage
• the device fails to perform the intended function
• prolonged storage at temperatures above 70 °C
• severe transport stresses
In this case, a professional routine test must be performed.
This test should be carried out by the manufacturer.
A battery icon in the display indicates the battery power level:
Icon fully fi lled Batteries at full capacity
Icon partially fi lled Battery capacity is suffi cient
Icon empty Battery capacity not suffi cient;
calibration is possible
Icon blinks Max. 10 operating hours remaining,
measurement is still possible
Caution! It is absolutely necessary to re-
place the batteries.
Inserting the Batteries
With four AA batteries, the HandyLab has an operating time of over 1000h.
Open the battery compartment on the rear of the device. Be sure to observe
the correct polarity when inserting the batteries (see markings in the battery
chamber). Close the battery compartment cover and screw it handtight.