Fluke Calibration 1620A-H-156 Getting Started Guide - Page 18

1620A "DewK" Thermo-Hygrometer Getting Started Guide Battery Compartment - The battery compartment holds a 9V alkaline battery used as a backup power source to maintain continuous measurement during a power outage. Power Switch - The power switch turns the power on and off to the thermo-hygrometer, including power from the battery. Before disconnecting the AC adapter from the instrument, switch the power off to prevent draining the backup battery. Serial Label - The serial label shows the instrument model and serial number. Figure 4. Back Panel Quick Buttons When the main screen is displayed, the buttons have the following functions: ENTER/MENU - This button is used to display the menu options. EXIT - This button is used to display the alarm window. With the alarm window displayed the Exit button can be used to return to the main screen while preserving the alarm events or the Enter button can be used to clear the alarm events and return to the main screen. lr - These buttons are used to move among enabled display layouts. ud - These buttons are used to adjust the display contrast, u for darker and d for lighter. Configurations ● Model 1620A-H includes a 1620A Thermo-Hygrometer readout, a high accuracy sensor (Model 2626-H), a thermo-hygrometer readout wall mount bracket, power supply (Model 2361), and an RS-232 cable. 14