Hach HQ440d, Руководство пользователя

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The meter can be powered with AA alkaline or rechargeable NiMH batteries. To conserve battery life,
the meter will power off after 5 minutes of inactivity. This time can be changed in the Display Options
menu.
For battery installation refer to
Figure 4 .
1. Loosen the three battery cover screws and remove the battery cover.
Note: Do not remove the screws from the battery cover.
2. Install 4 AA alkaline or 4 AA nickel metal hydride (NiMH) batteries. Make sure that the batteries
are installed in the correct polarity.
3. Replace the battery cover.
Note: Do not over-tighten the screws.
Figure 4 Battery installation
User interface and navigation
User interface
Figure 5 Keypad description
1 LEFT key: calibrates, cancels or exits the current
menu 6 BACKLIGHT: turn off display illumination
2 RIGHT key: reads, selects, confirms or stores data 7 OPERATOR ID: associate data with an individual
3 DOWN key: scroll through menus, enter
numbers/letters or change the reading screen view 8 SAMPLE ID: associate data with a sample location
4 DATA LOG: recall or transfer stored data 9 UP key: scroll through menus, enter numbers and
letters or change the reading screen view
5 METER OPTIONS: change settings, run check
standards, view meter information
English 7