Smart Body Fat Scale
Instruction Manual
FCC ID: 2AP3Q-FG2431WB
Read this manual before using and save for future reference.
Important Notice
- All data measured by this smart body fat scale is for reference only and should not be used for medical diagnosis.
- The measured data may be inaccurate if:
- you are a minor
- you are pregnant
- Do not use this device if you have implanted a cardiac pacemaker or any other medical device.
Warnings
- Do not disassemble, squeeze, puncture, or short-circuit the device.
- Do not put the device into water or fire.
- Do not expose the device to an environment at a temperature higher than 60°C (140°F).
- This device contains batteries and should be placed away from heat sources (heaters, stoves, fireplaces, etc.).
- This device is not water-proof. Do not use it in rainy places or wash it directly with water.
- Do not disassemble or repair this device by yourself. Improper operation during maintenance may cause battery explosion.
- This device is not intended for people (including children) who are weak, slow to respond or have mental disorders, unless they are supervised or instructed by the person responsible for their safety.
- Keep the device out of reach of children. Supervise children not to play with the device.
Maintenance
- Carefully wipe the device with a clean, soft cloth.
- Do not use any detergent.
2. Product Structure
The scale consists of the following components:
- LED Colorful Display
- Stainless Steel Electrodes
- Battery Cover
- Silicone Feet
- Units Switch: lb → st:lb → kg
[Diagram of scale structure with labels]
3. LED Display
The LED display shows various metrics including Body Fat, BMI, Muscle Mass, Body Water, and Bone Mass.
Display elements include:
- Connection Symbol
- Battery Symbol
- Metric indicators (Body Fat, BMI, etc.)
- Percentage (%) and Unit (st, lb, kg) symbols
- Weight Number
- Units Symbol
[Diagram of LED display elements]
LED Screen Display Sequence
The scale cycles through measurements, showing:
- Weight
- Body Fat
- BMI
- Body Water
- Muscle Mass
- Bone Mass
This sequence occurs in the process of measuring the various body data.
[Diagram illustrating the sequence of LED screen displays]
Note
- After being placed on a hard and flat ground, the screen will turn on when it senses a weight of more than 5kg.
- If this device contains 3pcs x AAA batteries, please load the battery following the positive and negative electrode instructions.
- If the scale has built-in batteries from the factory, please remove the insulation strip.
4. SPECIFICATION
Weight unit | lb/st/kg (switch via APP setting or unit button at scale base) |
Weight limit | 5kg-180kg / 11lb-396lb |
Power Supply | 3pcs x AAA |
Account number | Each account can add 24 persons |
Operating temperature | 10-40°C |
Operation humidity | 20%-90% |
5. Install Starfit App
- Search "Starfit" in App Store or Google Play or scan the QR Code below. [QR code for app download]
- Download and install the App on your device.
- The App icon will appear on your phone or tablet after the installation is completed.
Support Devices:
- iOS 8.0 or higher
- Android 6.0 or higher
6. Special Notices
- For the first use, the device must be connected to the internet to access all features beyond weight and BMI.
- During use, please keep the App on the home page and maintain the measurement posture for about 30 seconds.
- After finishing the measurement, you can check 6 core data on the scale LED display.
- You can also check more details on the App page.
- For the second use, offline measurement is supported (No need to open App for every measurement).
7. How to use Starfit APP
- Place the scale on a hard, flat ground.
- Step on the scale to turn it on. Turn on Bluetooth on your smartphone or tablet.
- Register your own ID by email or social media account for Starfit App. [Description of app registration screen]
- Add personal data and confirm OK. Note: Entering incorrect gender, age, or height may result in inaccurate measurements. [Description of personal information screen]
- Pair the scale with the APP through Bluetooth. Click Account → My Device → + → Searching Bluetooth for pairing to find the scale. Connect the scale, and your phone will be connected. [Description of app pairing screens]
Note: After connection, "Connected" will be indicated on the Main page, top position. If "Disconnected" is shown, it means pairing failed. Please repeat the steps above.
8. Step onto the scale
- Tap your foot on the scales to activate the display. Wait until the display shows "0.0" (lb/st/kg).
- Keep Starfit App on the main page. Then, the Bluetooth connection icon will be shown on the LED display. Connected indication will be shown on the main page at the same time.
- Step onto the scale with bare feet. Make sure you stand on each of the two electrode metal plates with bare feet, as shown in the indication photos below. [Diagram showing correct foot placement with ✔️ and incorrect placement with ❌]
Note: If stepping on the scale with socks, or if the weighing posture is not correct, only weight and BMI will be measured and displayed on the main page. To get complete data, please step on the scale with bare feet and with correct posture.
9. The number on the display is flashing when the scale is weighing and analyzing.
- Please stand still and keep the same posture for about 30 seconds.
- The App will show a measurement schedule and play music during body fat measurement.
- After the measurement is finished, you can check more data from the App.
- At the same time, you can track 6 core data on the LED screen as well.
10. You can click "More" to read more Parameter data.
11. You can find the analyzing report on Body Weight, BMI, BMR, Muscle Mass, Bone Mass, etc. When you click "Record", you can see your long-term track chart form. [Description of app chart interface]
12. Add and switch user
Click → Add User, or click Account → + , then add personal data. The Smart Scale can recognize which user is stepping on it and remind the user to switch to the correct user. Each account can support 24 users.
[Description of app user management screens]
13. Weighing baby
Click + → Baby Mode. Step on the scale by yourself first, after the scale gets your weight, then hold the baby to get the weight of the baby. [Description of baby weighing mode screens]
8. Battery and Fault Reminders
The scale displays specific indicators for different situations:
- Low battery:
Lo
? (Please change new batteries) - Overload:
Err
⚡️ (Exceeding the maximum weight) - Unstable weighting:
[
⚖️ (Please step on the scale again)
[Icons for Low battery, Overload, Unstable weighting]
TROUBLE SHOOTING GUIDE
Bluetooth not connected
- The scale and smartphone must both have Bluetooth on.
- Check the iOS version of the smartphone; it must be iOS 8.0 or higher / Android 6.0 or higher.
- Click Account → Device → + → Searching Bluetooth for pairing to find the scale (Keep scale on). Connect, and now your phone is connected with the scale.
No body fat data measured when weighing
- User must be barefoot to measure body fat.
- Make sure your feet and the scale are both dry. The scale may not finish weighing when the number display is flashing (Keep standing on the scale for about 30 seconds until the number on the display stops flashing).
- Bluetooth is not turned on.
- Bluetooth is paired with a different scale.
The scale is producing inconsistent weight.
- Check whether the scale is on a hard, flat surface.
- Check each sensor foot on the back to make sure nothing is stuck to the bottom of it.
- Remove the batteries to restart the scale.
The App is displaying the incorrect fat-muscle ratio
- The body parameter setting is incorrect; check to make sure that you enter the correct gender, height, and age.
How do I re-calibrate the scale after moving it or changing the batteries?
- Step on the scale to turn it on. Let it automatically drop to 0.0lb to calibrate.
The scale does not turn on
- Remove the batteries and put them back. Make sure to insert the batteries in the correct direction.
Scale only shows weight & BMI?
- For the first time use for every user, you need to use on-line mode, connect with the App for successful measurement. Otherwise, the scale will only show weight & BMI.
- Keep feet apart, and bear feet onto the scale platform, face to the display direction. Otherwise, the scale will only show weight & BMI.
- Keep standing still for about 20-30s to finish the whole measurement. Otherwise, the scale will only show weight & BMI.
FCC Compliance
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.