3Battery life depends on the measurement environment, communicationfrequency, recording interval and battery quality.Battery terminals may provide insufficient contact due to age or vibration.Please be careful not to lose data due to insufficient contact.Remove batteries from any unit that is not to be used for a long period oftime. Batteries left in a unit not being used for a long time may leak andcause a malfunction.Do not put your fingers or foreign objects into the communication port.Do not use any AC Adapter other than the one provided for this unit.Using the software provided [Wireless for Windows] make sure to set up thisunit as a Base Unit, Remote Unit, or Relay Unit. It will not operate withoutdoing this.Neither the Base Unit nor a Relay Unit can measure or record data. OnlyRemote Units can measure and record data.T&D accepts no responsibility for any damages or trouble in any form thatare directly or indirectly the results of using measurement taken with thiswireless data logger.About TR-5320, the standard temperature sensors for RTR-71Use the sensors only within the measurable temperature range (-60 to155 ).Please make sure that the external temperature sensor jacks are securelyinserted into the main unit.The sensor cable is coated with Teflon. The coating is thin and if scratchedor torn will cause a reduction in water resistance. Please check beforeusing.To ensure accurate measurements, make sure to insert the end of thesensor at least 3 cm into the object or area.This sensor cannot be used with RTR-72.