4380 Instructions.pdf

No wire installation is required between the main and remote units. The main unit features an extra-large two-line LCD, CHANNEL button, IN/REMOTE button, MEM/CLEAR button, HI/LO button, ▲ button, AL ON/OFF button, RESET, °C/°F Slide Switch, battery compartment, retractable table stand, and recessed wall-mount hole. The remote sensor features a two-line LCD, LED indicator, °C/°F slide switch, channel slide switch, RESET, battery compartment, battery door, and wall-mount holder. The device has a temperature range of –4 to 140°F and –20 to 60°C, and humidity range of 25 to 90% RH. The setup procedure involves assigning channels to remote units, inserting batteries, and positioning the units within effective transmission range. The device can display temperature and humidity readings, scan remote sensors, and set alarms for temperature and humidity limits.