SUNDING SD-548B wired Bike Speed Meter SD-548C wireless Digital Bike Computer Multifunction Sensors Bicycle Computer Speedometer

SD-548C/SD-548C1 WIRELESS

Specification introduction:
Current speed
Average speed
Maximum speed
Relative velocity
Speed indicator
Speed comparator (current / average speed)
Riding time
Riding distance
odometer
Clock (12/24 hours)
scanning
Metric and Imperial (MPH and KMH)
waterproof
Automatic start/stop

Includes include:
1* bicycle wireless computer
1* header
1* table sitting
1* magnet
1* cable
1* instruction manual

Instructions

【About product】SD-548B

-Name： Waterproof Bicycle Stopwatch Model SD-548B
-Display：LCD display
-Size：46 mm * 45 mm * 19 mm
-Configuration：table body, table holder (wired with induction probe), induction magnet, cable, Chinese manual

-Note: The probe and the magnet maintain an induction distance of 5-10 mm. Otherwise the speed value will jump randomly!

【Functions】
-Tire circumference setting function
 1. Set according to the circumference of the bicycle tire.
-Speed function:
2. Instantaneous driving speed SPD
3． Maximum driving speed MXS
4． Average driving speed AVS
5. Comparison tips with average speed ▲ ▼ -Wheel speed function
6. Wheel mileage R mileage function (imperial / metric switching)
7. Total mileage driven ODO
8. DST per trip
9. The initial value of the total mileage is set. If you change the battery, you can set the value before the change to the initial value.
-Time function
10． Driving TimeTM
11. Clock (12 hours / 24 hours switching) CLK automatic cycle display function
12. ODO, DST, MXS, AVS, TM, R, CLK functions, one content automatically scrolls SCAN every 4 seconds
-Driving data sampling function
13. Real-time data sampling for professional testing, including DSTTMAVSMXS
-Power saving function
14. There is no input signal within 30 seconds, and it automatically enters the power saving mode, and only the time is displayed.
-Maintenance reminder function
15. When the total mileage reaches the set maintenance value, a wrench symbol is displayed to remind the maintenance bicycle.
water-proof
16. With good waterproof function.

【Installation tips:】
1. Install the meter head onto the handlebar;
2. Insert the AG13 button battery into the battery slot on the back of the meter head
3. Initialize the code table data. Generally, only one parameter of the tire circumference is required for normal use.
3. The meter head is inserted into the meter head chute;
4. Install the sensor on the front fork with the sensor head facing the spokes;
5. The induction magnet is installed on the spokes, aligned with the induction head, and the distance is about 3-5mm;
6. Fix the cable with nylon cable tie;
7. Check whether the above table head, sensor and induction magnet are installed firmly. This package comes with the necessary rubber gaskets and detailed English instructions to ensure your successful installation.
8.For more functions, please refer to the manual settings.

【Setting function】
1. Install the battery and the battery slot on the back of the meter head;
2. Press the right button within 15 seconds to enter the tire circumference setting;
3. Refer to the wheel diameter and perimeter comparison table. For example, the 28 model has a wheel circumference of 224cm. Press the left button to set the three-digit value to 224 (this machine defaults to 208cm)
4. Right-click to confirm;
5. For more functions, please refer to the manual settings.

Note: The computer shows whether the speed is accurate. The key is whether the wheel diameter is set accurately.

Reference wheel diameter (distance traveled by the wheel for one revolution, unit MM, will vary due to different tire pressure)

16 * 1.75 1272
20 * 1.75 1590
26 * 1.5 2026
26 * 1.75 2070
26 * 1.9 2089
26 * 2.0 2114
26 * 2.125 2133
700 * 18C 2102
700 * 20C 2114
700 * 23C 2133
700 * 25C 2146
700 * 28C 2149
700 * 32C 2174
700 * 35C 2205

Outdoor fitness equipment start here（click picture ）