Hach Portable Spectrophotometer DR 2800 - Manual (Page 29)

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Standard Operations
5.2.3 Date and time
1. Press Date & Time in the Instrument Setup.
2. The date and time are subdivided over a number of fields.
Press the appropriate field and use the arrow keys to change
the value.
3. Press OK to confirm. The instrument will return to
Instrument Setup.
5.2.4 Display and sound preferences
1. Press Display & Sound in the Instrument Setup.
The following options will be displayed:
• Display Contrast—Adjusts the display brightness to suit
lighting conditions.
• Screen touch—Activates//Deactivates a short beep each time
the screen is pressed (Default:off).
• Reading done—Activates/Deactivates a sound when a
reading is complete (Default: short beep every time a reading is
complete).
• Timer—Adjusts the length of the timer sound. Select Short or
Long. Long beeps are recommended for noisy environments.
2. Press OK to confirm. The instrument will return to
Instrument Setup.
5.2.5 Power Management
The DR 2800 can run on mains or battery power.
Note: The battery is not part of the standard scope of delivery.
1. Select Power Management in the ”Instrument Setup“ menu.
The battery symbol indicates the charge status of the battery
in %.
Note: The timer settings in the Power Management menu are only
active when the instrument is running on battery power.