CODEL
Operation and Maintenance Manual
Issue : A Rev. : 3 Date : 13/11/2018 Ref. : 100351
P a g e | 15
5 Commissioning
5.1 Keypad Membrane
Throughout the commissioning process, the devices keypad is required to check and input functions and data.
using the keypad buttons user can access the menus and sub menus.
The following functions are performed by the buttons below:
5.2 Power Up
After checking all the cable connections against the connection schedule, switch on the mains power and wait
for power-up sequence to complete and Data validity LED (green) to come on.
When powered on, the display unit will come on displaying CODEL – FM (manufacturer’s name) and
TunnelTech 500 (instrument’s name).
The welcome screen is closely followed by the measurement initialisation screen.
After a few seconds of initialising, the main menu screen will be displayed, and the display unit will be ready to
be interacted with. The species displayed upon this screen will depend on the version of the unit provided.
NOTE: Wait 10 minutes for system to stabilise.