User's Manual
User Manuals 
Part A 
A1: Channel 2 probe cable socket   
A2: Channel 4 probe cable socket                   
  A3: Type C data line power supply interface 
                    A4: Upper alarm temperature value(CH1)  
                    A5: Transmission symbol 
A6: Low battery indicator 
A7: Lower limit temperature alarm value(CH1) 
A8: Real time detection of temperature value(CH1) 
A9: Maximum temperature record(CH1)  
A10: Minimum temperature record(CH1) 
A11: Symbol when alarm tone is set to mute 
A12: Volume level display 
A13: CH1----SET button 
A14: CH1----Alarm ON/OFF button 
A15: CH3----SET button 
A16: CH3----Alarm ON/OFF button 
A17: CH2----SET button 
A18: CH2----Alarm ON/OFF button 
A19: CH4----SET button 
A20: CH4----Alarm ON/OFF button 
A21: Alarm volume adjustment button 
A22: UP button 
A23: DOWN button 
A24: Backlight ON/OFF button 
A25: Battery cover 
A26: Battery cover locking screw 
A27: Channel 1 probe cable socket 
A28: Channel 3 probe cable socket 
A29: Power ON/OFF button 
A30: Temperature unit °C/℉  switch button 
A31: Temperature precision offset setting button 
A32: RF button 
A33: Stand cover 
Part B 
                    B1: Receive function status indicator  
  B2: Low battery indicator               
  B3: Real time detection of temperature value(CH1) 
B4: Upper alarm temperature value(CH1)                                                          
B5: Alarm ON/OFF status indicator (CH1) 
B6: Lower limit temperature alarm value(CH1) 
B7: Power and backlight ON/OFF button 
B8: Re pair / volume select button                   
B9: Stand cover 







