2. General Information
Installing the batteries
The 2020/2040 uses six AA size alkaline batteries located under the removable cover
shown below. To insert new or change the existing batteries:
1. Open the battery cover by pushing down and sliding as shown.
2. Insert six AA* batteries, ensuring the correct polarity.
3. Refit the battery cover.
* It is recommended that all replacement batteries are of the same manufacturer, type and
condition.
2
The 2020/2040 can be used in either the Battery mode or Externally powered mode.
Battery mode
When logging in this mode please ensure that the batteries in the unit have
This can be checked via the sufficient capacity to complete the logging task.
battery indicator located in the top right of the display.
HIGH LOW
CAPACITY CAPACITY
Externally powered mode
The logger may be powered from an external source (10-18V DC)
ote: To ensure data protection in the case of an unexpected power loss,
please ensure that batteries are fitted whilst the unit is operational.
18108 Version 2 - July 2004
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