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description: This page describes how to use the DAQ-M to capture light sensor data
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# Capturing Light Sensor Data

To measure light with the DAQ-M you need to use the [SCANNER application](scanner-application) to save a single measurement or start an interval measurement.&#x20;

## Choose the Option Depending on your Measurement Needs:

### [Single Measurement = For Object Reflectance Signatures](#for-object-reflectnace-signatures)

### [Multiple Measurements = For Calibrating Survey3 Images](#for-calibrating-survey3-images)

