# Intro

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Sequencer is an internal feature of the IC2 firmware that provides possibility to program and run several consecutive commands on the controller, without using any external interface and device. It supports up to 20 different commands that also could be periodic. Its main purpose is to have long time tests possible and to investigate performance and behavior of device in a timely controlled way.

## Activation in the CPA

In the CPA, by default, the sequencer is hidden. It can be made visible by sending the command “p:010DF000000001” over Terminal: