12
Start-Up
Inserting the Batteries
With four AA batteries, the Portavo has an
operating time of over 1000 h.
Open the battery compartment on the
rear of the device. Be sure to observe the
correct polarity when inserting the batter-
ies (see markings in the battery chamber).
Close the battery compartment cover and
screw it handtight.
Check the shipment for transport damage and completeness
(see Package Contents).
NOTICE!
Do not operate the device when one of the following conditions applies:
• the device shows visible damage
• the device fails to perform the intended function
• prolonged storage at temperatures above +70 °C / +158 °F
• severe transport stresses
In this case, a professional routine test must be performed.
This test should be carried out at our factory.
A battery icon in the display indicates the battery power level:
Icon fully filled
Batteries at full capacity
Icon partially filled
Battery capacity is sufficient
Icon empty
Battery capacity not sufficient;
calibration is possible
Icon blinks
Max. 10 operating hours remaining,
measurement is still possible
CAUTION! It is absolutely necessary to replace
the batteries.
