Craftsman CMHT77639 User Manual
![Craftsman CMHT77639 Measurer manual cover](/images/FVFWnksfFpCaNimiYWHOqYbr/thumbs/thumb175x175.webp)
To change the measurement units on the Craftsman CMHT77639, press and hold the unit button until the display cycles through the available units. Release the button when your desired unit appears.
If the laser is not visible, first ensure the device is turned on. Check the battery level as a low battery can affect laser visibility. Clean the laser lens with a soft, dry cloth to remove any obstructions. If the issue persists, consult the user manual or contact customer support.
Yes, you can use the Craftsman CMHT77639 outdoors, but visibility may be affected by bright sunlight. For best results, use the device during times of lower ambient light or utilize a laser target plate.
The Craftsman CMHT77639 is factory-calibrated and typically does not require recalibration. If you suspect an accuracy issue, check for obstructions or incorrect settings. For serious discrepancies, contact customer support.
The Craftsman CMHT77639 uses two AAA batteries. Ensure you replace both batteries at the same time for optimal performance.
To measure a distance, turn on the device, aim the laser at the target, and press the measurement button. The distance will be displayed on the screen. Ensure the target is reflective or use a target plate for best results.
Store the Craftsman CMHT77639 in a cool, dry place. Remove the batteries if the device will not be used for an extended period to prevent battery leakage. Use the carrying case to protect it from dust and impacts.
The maximum measuring range of the Craftsman CMHT77639 is 65 feet (20 meters). Ensure the target within this range is clearly visible and reflective for accurate measurements.
Yes, the Craftsman CMHT77639 can calculate area and volume. Switch to the desired mode using the function button, then follow the on-screen prompts to take the necessary measurements.
If the display screen is not working, check that the batteries are correctly installed and have sufficient charge. If the issue persists, perform a soft reset by removing and reinserting the batteries. Contact customer support if the problem continues.