The gourd said.

Weighing: [no locking function]
After power on, hang the item on the scale, that is, display the weight value of the item on the scale. When the balance is stable (stop swinging), the weight value of the item is locked, and the buzzer will sound the lock warning and display the lock mark (HOLD). Press \"ON/OFF\" to unlock and weigh again. When weighing, the weight (including tare weight) shall not exceed \"maximum weight +9d\" (10kg: d=5g; 20 kg: d = 10 g; 40kg: d=20g). If the value above is exceeded, the overload sign \"0-ld\" will be displayed and an alarm sound will be issued.

Unit conversion:
Press the \"UNIT\" button, and the electronic scale circulates between the four units of kg (kg), lb (pound), jin(jin) and oz (ounce) (1kg=2.2 lb =2jin=35oz).

Shutdown:
Press \"ON/OFF\" when there is no lock, press \"ON/OFF\" to unlock, and then press \"ON/OFF\" to shut down. Or 120 seconds without any operation, the electronic scale automatically shut down.

Backlight function:
When the backlight is on without any key operation and weight change, the backlight will be off after about 5 seconds. Press any key or instantly change the weight to trigger the backlight to be on.