14
Screen Display Operating Instructions/ Displayed
State
Description
When the memory data is queried,
when there is no memory data under
the current serial number, the display
is as shown.
Remove 2 dry batteries and re-install
the power to clear all memory data.
When the power
is turned back
on, a long beep,
the backlight is
green, then turn
red
Error information & low battery
The ambient temperature is higher
than 40.0ºC (104.0ºF) or lower than
10.0ºC (50.0ºF).
A long beep,the
backlight is red.
An error occurs when data is being
read from or written to the memory,
or the temperature correction is not
complete.
A long beep,the
backlight is
red.
When the battery voltage is lower
than 2.5V ± 0.1V, the low battery
symbol will appear on the display.
Please replace the batteries.
Silent