Figure 3. FX80 Instrument Setting screen3. Press |Up| and |Down| to select the parameter to edit.4. Press |MODE| to select the field to edit, then change the value if necessary by pressing|Up| and |Down|.5. Press |Shift/Enter| to save the date and time settings.3.3. Resetting your FX80On rare occassions, you may need to reset your FX80. To do this:1. Disconnect external power supply from the device;2. With device OFF, press the red |Power| button and hold it for at least 15 seconds.The FX80 will reboot but you will need to reset the date and time (see Setting Date andTime).As a result of the reset, the threshold values and reference values will be lost. You needto reset these values. You must also perform ZERO level operation (see SettingZERO Level).The reset DOES NOT erase any previously stored measurement data.FX80 PON User Manual D07-00-115P RevA01Page 10 of 36