Hach DR 5000, Руководство пользователя

Страница: 106 / 136

106
Advanced Operations
6.8.2 Upgrade of the instrument software
To obtain the software for the update from the Internet at
www.hach.com :
1. Go to http://www.hach.com .
2. On the DR 5000 product page, click Lab System
Software / Software Update Downloads under the heading
Downloads .
3. Locate the appropriate download and follow the prompts for
saving the file(s) to the USB memory stick.
4. On the DR 5000, press Instrument Update in the System
Checks menu.
5. Connect the USB stick to the USB interface on the DR 5000
(
section 3.3 on page 14 ). Press OK .The link is established
automatically and the software is updated.
6. Press OK to return to the System Checks menu.
Note: When the instrument software has been updated, a prompt to restart
the instrument is displayed.
6.8.3 Optical checks
For each optical check, the measured results must be evaluated
against user-specific requirements. The check options do not
define tolerances.
1. Press Optical Checks in the System Checks menu.
The Optical Checks menu contains programs for checking the
wavelength accuracy, stray light and photometric accuracy.
An optional test filter set (Verification Kit) ( Section 9 on page 129 )
containing six precision glass filters, target values, tolerances and
instructions is available and is recommended as an aid for carrying
out comprehensive in-house instrument checks.