KYORITSU 4140 - Manual (Page 13)

̶ 11 ̶
6. Preparation for Measurement
CheckofBatteryvoltage
(1)See“12.Batteryreplacement”andinstallbatteriesinKEW4140.
(2)PressthePowerswitchonKEW4140foratleast1sectopower
on the instrument.
*Powerswitchisactivatedonlywhentheswitchispressedfor1
sec or more.
Presstheswitchforatleast1sectopowerofftheinstrument.
(3)Power on KEW4140 and check the Battery symbol displayed
at the upper left on the LCD. When the displayed battery level
is lowest (
), the installed batteries will be exhausted soon.
Replacethebatterieswithreferenceto“12.Batteryreplacement”
to continue further tests.
When the Battery symbol is empty (
), battery level is
lower than the lower limit of the working voltage. In this case,
accuracies of the measured values aren’t assured. Replace the
batteries with new ones.
The empty Battery symbol ( ) is displayed and warning
buzzer sounds for 2 sec when powering on the instrument with
exhausted batteries.
Batteries to be used
Use of alkaline batteries is recommended. Battery level may not
be recognized properly when alkaline batteries aren’t used.