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General| Brand | Techno Tools |
|---|---|
| Model | D740 |
| Category | Security Sensors |
| Language | English |
Step-by-step guide for turning on, warming up, and searching for leaks.
Explains the digital indicator and maps numbers to approximate leak sizes.
Instructions for using the test vial to verify detector performance.
Guide on installing batteries, including polarity markings.
Instructions for replacing the sensor filter and the main sensor unit.
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