Product Description       1. Instrument function description    1.1 As shown in the figure:                  1.2 Functions of each function key      1.2.1 Press the on key to switch the machine on and off.    After power on, directly enter the waiting measurement interface "Enter To MEA".      1.2.2 In the power-on state, press the menu key to enter the menu mode.    The menu options are zero adjustment, temperature unit selection, automatic shutdown time setting, and backlight on/off setting.    Press the switch key to switch options, and press the enter key to enter the menu option.    After entering the corresponding menu option, press the switch key to switch the options, and press the enter key to confirm the option.    Now return to the main menu interface.    Press the menu key again to exit the menu interface and return to the measurement waiting interface.           Detailed Images       2. Technical parameters                           Model          HM-TD1          HM-TD2          HM-TD3          HM-TD4          HM-TD5          HM-TD6          HM-TD7                      Measuring range          Brix: 0.0~32.0%  Temperature 10~100& 8451;          Brix: 0.0~53.0%  Temperature 10~100& 8451;          Brix: 0.0~32.0%  Temperature 10~100& 8451;          Brix: 0.0~28.0%  Temperature 10~100& 8451;          Brix: 0.0~53.0%  Temperature 10~100& 8451;          Brix: 0.0~32.0%  Temperature 10~100& 8451;          Brix: 0.0~53.0%  Temperature 10~100& 8451;                      Resolution          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;          Brix: 0.1%  Temperature 0.1& 8451;                      Accuracy          Brix±0.1%  Temperature ±1& 8451;          Brix±0.