DL6780/90 Operating Manual
Di-LOG
...measurably better
7. Maintenance
Do not attempt to repair this unit . There are no
user
serviceable items in this unit. Never attempt to
open the casing apart from the battery cover.
Do not use the instrument if there is any physical
damage to the case or test leads.
The outside of the unit can be cleaned with a soft
damp cloth only.
Do not use abrasive or chemical cleaning agents.
8. Battery Replacement
Turn the battery cover by 90 degrees anti clock-
wise.
Remove the cover and take out spent batteries.
Replace with 2 off 1.5 V AAA (LR03) batteries,
checking the correct polarity.
Replace the battery cover and turn by 90⁰ clock
-
wise.
Discharged batteries should be disposed of
responsibly and with compliance with current
recycling and disposal regulations.
The recommended calibration interval for the
DL6780/DL6790 is 12 months.
9. Calibration
13
Summary of Contents for CombiVolt DL6780
Page 16: ......