Instruction Manual
R3-122818       Page 3 of 4 
Operation 
Programming the Alarms  
To reset high alarm temperature setting and low alarm temperature setting, follow 
instructions below.  
High Alarm Temperature 
Setting 
From the main display screen: 
Press HI/LO key ONCE, then press MODE/RESET key to enter High 
Alarm temperature setting mode. Use the up and down arrows to adjust 
temperature accordingly.  
Press MODE/RESET key ONCE to confirm the setting. 
Low Alarm Temperature 
Setting 
From the main display screen: 
Press HI/LO key TWICE, then press MODE/RESET key to enter Low 
Alarm temperature setting mode. Use the up and down arrows to adjust 
temperature accordingly.  
Press MODE/RESET key ONCE to confirm the settings. 
 To Use 
  Once the Alarm Thermometer has been programmed, place the temperature sensor (in glycol bottle) in 
the location to be monitored, such as inside a refrigerator or freezer.  
  Thermometer  displays  internal  temperature  of  unit  being  monitored,  as  well  as  maximum  and 
minimum  temperatures  reached.  The  thermometer  maximum  and  minimum  readings  reflect  the 
highest and lowest temperatures since the battery was inserted or since the RESET button was last 
pressed.  
  If the temperature measurement rises above or falls below the set temperature range, the alarm will 
sound. To silence the alarm, press any button. 
  Set  the  high  and  low  alarm  temperature  limits  above  and  below  the  refrigerator/freezer  operating 
temperature to prevent false alarms. Refrigerators are designed to run between 2-8 °C (36-46°F) while 
freezers run below -15 °C (5 °F). 




