β Function switching:
Press and hold the key 1 and 2 for 5s at the same time, the n hear a buzzer, in put the 4-digit operation password (i nitial password 1111), and press key 1 and 2, enter the system programming state. Through key 1 and 2 to choose the function gear, Then press and hold the key 1 and 2 again to confirm the selected function, or wait 2s for the system to automatically confirm the current selected function gear.
β Change operation password:
Press and hold the key 1 and 2 for 10s at the same time, the n hear a buzzer after 5s, and hear the sec ond buzzer after 10s, in put the original 4-digit password and then press key 1 and 2 to confirm, input new 4-digit password and press key 1 and 2 to confirm, input and confirm again, setting successfully.
NOTE: This user password should be properly saved, and entered when switching function gears again; If the password is forgotten, please restore to factory default initial password 1111.
β Restore the factory default password:
Open the back cover and power on, press the key 1 or 2, switch the dial switch on the circuit board to ON state and then back to 1 terminal, all LED indicators on the panel will flashes twice, and the password is restored successfully(initial password 1111).