17
9
．
Backlight Control
After startup, press
“
“
button to turn on or off backlight. The backlight
function is suitable to dark spot. It will default backlight turn-off for each
startup.
10
．
Alarm Settings
After power on, short press
“
”
to turn on and off the alarm function.
Short press "SET" key to set the resistance alarm value, press " " key to
move the cursor, press " " or " " key to change the current size, and then
press "SET" key to save and exit. When the measured value is greater than
the alarm critical setting value and the alarm function is turned on, the meter
displays the
“
”
symbol and issues a
“
beep-beep-beep--
”
alarm sound.The
maximum value of the ground voltage alarm setting is 100V, the maximum
value of the ground resistance alarm setting is 3000
Ω
, and the maximum
value of the soil resistivity alarm setting is 9999
Ω
m. As shown below:
11
．
Data Lock/Storage
Startup or after measurement, press
button to lock current
displayed data, showing
icon and automatically store with serial
numbers. If storage is full, the Tester will display
icon. to remove lock.
As shown in figure below: the lock measurement data is1032
Ω
,press
button save as the 3th group of data .
12
．
Data Review/Deletion
Startup or after measurement, press
button for a longer time (over
3 seconds) to enter data reading, the interface corresponding to the stored
data interface and the stored data group number flash alternately. Press
