Casella CEL Vortex personal sampling pumps - Manual (Page 9)

2.9 Table of Functionality
Function Required Key
Press
LED Buzzer
Switch ON Press both keys
together.
Green “PUMP
ON” LED lit.
Double bleep.
Switch OFF Press both keys
together.
No LEDs lit.
Flow adjustment
mode
Press “FLOW”
key for 3 seconds.
Release key and
then adjust flow
up or down.
Green “PUMP
ON” LED flashes.
Exit flow adjust-
ment mode
No key press for 4
seconds.
Green “PUMP
ON” LED stops
flashing.
Reset timer
(Timer 2 only)
Press “RESET”
key for 3 seconds.
Operation
Page 9 of 16
VORTEX Standard 2 & VORTEX Timer 2
PERSONAL SAMPLING PUMPS Handbook