Placement Power On / Off Connect with the App Pair with the Acaia Devices Magic Relay Switching Pairing with Acaia Devices for the First Time Using Your Umbra Lunar Duo Power On Control Tap to Switch Weighing on the Umbra Lunar Duo Weighing on the Paired Device Toggling Display in Different Modes...
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Appendix Firmware Update Unpairing the Umbra Lunar Duo Reset to Factory Default Error Codes Troubleshooting Specifications...
Thank you for choosing our scale. The Umbra Lunar Duo is designed and manufactured to meet the most rigorous industrial weighing standards to give you the most accurate and precise coffee brewing experience. Start by checking your Umbra Lunar Duo box to find the following items. Acaia Heat USB Type-C...
Action Button Indicators Weighing Pan Action Button Action Button Status Indicator • Unpaired Magenta • Pairing in progress • Sleep Mode • Paired but disconnected Blue • Sleep Mode • Pairing successful White • Weighing on the Umbra Lunar Duo •...
Getting Started Placement Place the Umbra Lunar Duo and other Acaia devices on a stable and vibration-free surface at a preferably level surface. Power On / Off [Tap] Action Button to turn on the scale. [Double tap] Action Button to turn off the scale.
Magic Relay Switching Pairing With Acaia Devices for the First Time Make sure both the Umbra Lunar Duo and the device you wish to pair are updated to the latest firmware via Acaia Updater App. Place the Umbra Lunar Duo and other Acaia devices on a stable, vibration-free, and preferably level surface.
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Before pairing, please refer to the “Supported Acaia Devices and Modes” section to ensure the device compatibility. • Each Umbra Lunar Duo can only pair with one Acaia Device at a time. If you wish to pair with another device, please reset the pairing with the instructions in the Appendix.
Using Your Umbra Lunar Duo Power On Turn on the paired device, it will wake the Umbra Lunar Duo automatically if it’s in Sleep Mode. Turn on the Umbra Lunar Duo, it will automatically connect with the paired device. Control The control is now shared with the paired device.
Weighing on the Umbra Lunar Duo Place a portafilter on the Umbra Lunar Duo. The Umbra Lunar Duo turns solid White and plays the Magic Relay notification sound. *The Umbra Lunar Duo will not emit the Magic Relay Notification sound while continuing weighing on the same device.
Weighing on the Paired Device Place a container on the paired device. The Umbra Lunar Duo turns solid Green and plays the Magic Relay notification sound. *The Umbra Lunar Duo will not emit the Magic Relay Notification sound while continuing weighing on the same device.
Toggling Display in Different Modes Weight Only Mode Single Weight Display Dual Weight Display In Weight Only Mode, you can toggle between Single and Dual Weight Display by pressing and holding the Tare Button. Auto Mode With Flow Detection Auto Timer with Auto-Tare &...
Timer Starts with Flow Auto-Tare & Timer with Mode) Flow Detection Display Note: • Please ensure the original modes on the paired device are enabled to ensure compatibility with your Umbra Lunar Duo. • For the list of supported devices, please visit acaia.co.
Mode Introduction Operating Mode 1 - Weight Only Mode In Weight Only Mode, you can use the weighing function with the option to switch between Single and Dual Weight Display. In Dual Weight Display, you can monitor both the Umbra Lunar Duo’s weight and the paired device’s weight side by side on the paired device’s display.
Operating Mode 2 – Timer and Weight Mode In Timer and Weight Mode, both the weight and the timer are displayed on the paired device. The Umbra Lunar Duo and the paired device can freely switch between each other based on changes in weight. Timer Weight 0:00...
Operating Mode 3 – Auto Mode With Flow Detection In Auto Mode with Flow Detection, this mode assists with espresso and pour-over coffee brewing, with or without auto-tare. You can switch between the Auto Timer with Flow Detection Display and the Auto-Tare & Timer with Flow Detection Display .
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Auto-Tare & Timer with Flow Detection Display Timer Weight 0:30 36.0 Auto-Start Timer Indicator (Flow) Auto-Tare Operation Indicator Tare the device / Umbra Lunar Duo Power On Reset the timer and the weight Power Off Toggle between Display Start and Stop the timer Switch Mode •...
Umbra Lunar Duo to use it as an extended display and configure basic settings. Connected With the Umbra Lunar Duo Ensure the Acaia Open the App and Tap [Select an Acaia Brewmaster App go to the [Settings]. Scale].
Settings Menu Auto Off Timer 1. The default setting of Auto Sleep is 1 min. 2. Auto Off: The Umbra Lunar Duo will automatically turn off after a period of inactivity, regardless of whether it is connected to a paired device. 3.
Product Care Information Charging Battery You can charge the battery by plugging the USB Type-C cable into any of the power supplies listed below: • A computer • A USB wall-charger with an output of 5 volts and 1 amp •...
Smart Calibration The Smart Calibration must be performed using the Brewmaster App. Follow the steps below to calibrate your Umbra Lunar Duo. 2.0.0 Tap the [CAL] Ensure the Acaia Connect your button under Brewmaster App is Umbra Lunar Duo [Smart Calibration].
Tap [Start] to begin the calibration process. Note: You may use 100 g, 500 g or 1000 g weights. If you use weights other than Acaia Weights, we recommend F2 class standard calibration weights. Care and Cleaning • Use a soft cloth with warm water only to clean the product.
Error Code Description Unable to find acceptable starting Zero point, most likely due to loadcell damage caused by excessive force or drop. Please contact Acaia support. Troubleshooting Stuck in Firmware Update Mode: To exit Update Mode, press and hold the Action Button for 50 seconds until the Red light stops blinking and turns off.
Warranty 2 Years Umbra Lunar Duo Scale x 1 Heat Resistant Pad x 1 Non-slip Protective Strip x 4 Inside the Package Friction-reduction Protective Strip x 4 USB Type-C Charger Cable x 1 Acaia Calibration Weight 100 g x 1...
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