
WHAT DISPLAY SYMBOLS MEAN
Symbols Function / Meaning | Treatment | 
LOW BATTERY mark | Replace all batteries with new  | 
Appears when the batteries are drained.  | ones.  | 
(Begins to flash when the battery voltage  | 
  | 
has become low. Even so, about ten  | 
  | 
measurements can be performed.)  | 
  | 
READY mark
Appears when the device is ready to measure.
Flashes for about ten seconds after measurement while the result is displayed.
MEMORY mark
Previous measurement stored in memory.
  | Appears if the measuring room  | Leave the thermometer in a room  | 
  | temperature is over 40ºC/104ºF.  | with a stable temperature between  | 
  | Appears if the measuring room  | 10ºC/50ºF and 40ºC/104ºF for an  | 
  | hour. Then measure again.  | |
  | temperature is less than 10ºC/50ºF.  | 
  | 
  | Appears if the measurement is not  | Insert the thermometer into the  | 
  | ear properly and measure again.  | |
  | correct.  | |
  | 
  | |
  | Appears if the reading is less than 34ºC/  | Measure again. See “HOW TO  | 
  | 93.2ºF.  | TAKE A TEMPERATURE  | 
  | Appears if the reading is 42.3ºC/108.1ºF  | READING” on pages   | 
  | 
  | |
3  | or over.  | 
  | 
LifeSource Health Line  | ||