Extech Instruments AN500 User Manual page 3

Push-button Description
 Power:
 C/F: Select the temperature units
 MAX/MIN: Press to Record and track the highest (MAX) and lowest (MIN) reading
 STORE: Store readings into memory
 RECALL: Display STORED readings
 UNIT: Air velocity units or airflow units of measure
 ZERO: Press to zero the display
 BACKLIGHT:
 SET: Atmospheric compensation setting or airflow
parameters setting
 ◄►▲◄: Atmospheric compensation adjustment
arrows (also used for general menu navigation)
Probe Description
1. Probe Connector
2. Probe cabling
3. Telescoping sensor handle - Extends to 39" (1m)
4. Sensor opening (Air must flow through this
opening in the direction of the arrow shown in item
5 below for proper measurement)
5. Air direction arrow image
6. Ergonomic handle grip
Switches the meter ON and OFF
Turn LCD backlight ON and OFF
2
1
3
5
4
3
6
AN500-EU-EN v1.5 1/13