Instruction Manual

function of the mobile phone, such as incoming calls and QQ WeChat reminders. If your
mobile phone does not receive the notification, the watch will not receive it either. You need
to set the notification function on the mobile phone and find the corresponding notification.
APP, turn Allow Notifications on.
2. Restore the watch to factory settings, enter the Bluetooth settings of the mobile phone,
unpair the "A03", turn off the Bluetooth of the mobile phone, and turn it on again to
reconnect.
3. Delete "Da Fit" and download it again. Remember to agree to all permissions when
prompted during the installation process, and then reconnect.
Main function introduction:
● Firmware upgrade: When the bluetooth is connected normally, enter "Da Fit", enter the
device - firmware upgrade - update, if the upgrade fails, you can re-operate.
● Language time and date: When the watch is connected to the mobile APP, the language,
time and date of the mobile phone will be synchronized.
● Standby interface: There are multiple standby interfaces to choose from. In the standby
interface, press and hold the screen for 3 seconds to switch the interface. You can download
the watch face through the APP, or you can set your favorite photo or picture as the watch
face background.
● Status bar: slide down to enter the standby interface, displaying Bluetooth, battery
status, APP QR code, menu style and other shortcut functions.
● Message: Swipe up on the standby interface to enter the message notification, swipe
down to exit, you can synchronize the notification function on the mobile phone, such as QQ
WeChat and other incoming letters, if the information details are displayed, set the QQ
WeChat notification function on the mobile phone to display details to display the latest
messages. Notifications, vibrate when incoming calls or letters.
● Step count, mileage, and calories: Display the steps, mileage, and calorie consumption of
the day. The data will be saved at 12 o'clock every night and reset to 0 again.
● Exercise: Click to enter multi-sport mode, select a mode, click to start, each exercise data
includes exercise time, calorie consumption and heart rate, etc., swipe right or press the
button to enter the pause interface.
● Heart rate: Hold the watch close to the wrist, the best wearing position is the wrist bone
above the arm, click to start monitoring, scan the changes in the capillary flow on the
surface of the skin through the green light, and get the heart rate value, swipe right to exit,
the heart rate is normal It is 60-90 times per minute, professional athletes will be lower than
60, and the maximum heart rate is generally 220-age = maximum heart rate value.
Long-term exercise can enhance cardiopulmonary function.
● Blood oxygen: the blood oxygen concentration in the blood, which is an important
physiological parameter of breathing and circulation. The normal arterial oxygen saturation
is 95-100%.
● Sleep monitoring: This function will be automatically turned on in the background from
20:00 every night to 10:00 the next morning. By connecting to the mobile APP, you can view
the detailed data of sleep quality.
● Stopwatch: Click in the lower right corner to start, and then click to pause.