Battery Replacement - Vaisala HMT140 User Manual

HMT140 User Guide
5.4 Battery Replacement
When replacing batteries, it is important to use new, recommended batteries and to reset the
battery meter to make sure an accurate estimate of battery life remaining.
To replace the batteries and reset the battery meter of the HMT140:
1. Open the HMT140 cover.
2. Turn the power switch off.
3. Remove the batteries by pulling them up firmly. If the battery does not come out easily,
gently pull back on one of the battery holder tabs first.
4. Reset the battery meter:
• Press and hold the SERVICE button.
• Turn the power switch on.
• Wait approximately 10 seconds until the LED light flashes and you hear several beeps.
5. Release the SERVICE button.
6. Confirm that the battery meter is reset:
• Reconnect the Configuration Cable to the HMT140 and your PC.
• Start the HMT140 Utility.
• On the Setup tab, click Retrieve.
• On the Status tab, the Est. Life field should indicate 100 %
More Information
‣ Options and Accessories (page 10)
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