2.5 Operation
2.5.1 System settings
System settings includes function modules, such as system time, buzzer,
automatic backlight, automatic shutdown, user ID management, touch
screen, language selection, about, etc. In the initial state, select menu item
"System Settings" to enter, as shown in figure 7.
System Setup Diagram (Figure 7)
System time:
to record the meter execution time, such as operation time,
storage time, conductive probe calibration time and so on. If the deviation is
larger, user need to adjust according to the local time, time format is
year/month/days hour: minute: second;
Buzzer
: Set the prompt way of buzzer, including whether buzz or not when
the button is valid, and prompt the user whether buzz or not when perform
to the special circumstances.
Automatic backlight
: Automatic backlight includes two parts, automatic
backlight control and brightness.
Automatic backlight control
: The meter has automatic backlight
adjustment function that reduce power consumption. If no any
operation in the set time (just click on the touch screen), the meter will
automatically reduce the backlight brightness, show black screen state,
click on the touch screen at any time to wake the screen. Automatic
backlight control including 6 options: off, 10sec, 20sec, 30sec, 60 sec,
120 sec, respectively means backlight always on, does not close; no
any key operation within 20 seconds, 30 seconds, 10 seconds, 60
seconds and 120 seconds, the backlight will automatically shut down
(enter power saving mode, there is still a fainter display. In power
saving mode, press the screen any place, will be back to show to the
set backlight value);
