FUZRR ES3035 - 8．Backlight Control; 9．Alarm Setting

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Polarization Index Reference Judgment Value：
Polarizatio
n Index
Above 4 4～2 2.0～1.0 Below 1.0
Judge The best Good
Need to pay
attention
Bad
Absorption ratio reference judgment value：
Absorption
ratio
Above 1.4
1.25～1.0
Below 1.0
8．Backlight Control
After power on, press “ ” key to turn the backlight on or off, and
the backlight function is suitable for dim places. The default backlight turns
off every time you turn it on.
9．Alarm Settings
After power on, long press “ ” to turn on and off the alarm function.
Long press “SET” key to set the resistance alarm value. Press “ ” or
“ ” key to change the current digit size, then press “SET” key to save
and exit. When the measured voltage value is greater than the alarm critical
set value or the insulation resistance value is less than the alarm critical
set value and the alarm function is turned on, the instrument flashes the
“ ” symbol and issues a “beep-beep-beep--” alarm sound. The maximum value
of the voltage alarm setting is 600V, and the maximum value of the ground