Hanna Instruments HI 9829 - Manual (Page 54)

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8.1.3 Auto Poweroff
The Auto Poweroff function is used to save battery
life. After the set time is elapsed, the meter will:
1. automatically switch off, if in normal measure-
ment mode. Press On/Off to switch on again.
2. enter a sleeping mode, if the continuous log-
ging mode is selected with a logging interval of at least 30 seconds. The “Auto
Poweroff” message and the softkey appear on the LCD; logging is
not stopped. Press to reactivate the display.
Available options are: Not used (disabled), 5, 10, 15, 20, 30 or 60 minutes.
Press to select the desired time interval. The default value is “not used”.
8.1.4 Key Beep
If enabled, an acoustic signal sounds every time
a key is pressed. A checked box indicates this func-
tion has been enabled. The default setting is dis-
abled.
8.1.5 Error Beep
If enabled, an acoustic signal sounds every time
an incorrect key is pressed, or when an error oc-
curs. A checked box indicates this function has
been enabled. The default setting is disabled.
8.1.6 Decimal Separator
The user can select the type of decimal
separator: “dot” or “comma”. Press the softkey to
select the desired option. The default setting is
“dot”.
8.1.7 LCD Contrast
The LCD contrast can be adjusted with this func-
tion. Press to enter this function. Use
the arrow keys to change the contrast level and
press to save the new value. The de-
fault value is 8.