C&K systems System 238 User Manual page 10

Make sure the red ARM light comes on.
.
The keypad will beep twice to confirm that the system is armed.
Exit through any TIME DELAY DOOR within
.
The exit delay time can be programmed from 10 seconds to 150 seconds.
.
If the EXIT PRE-ALARM option is installed, the keypad will beep slowly until 10 seconds
OPTION
INSTALLED
before the delay time expires, then rapidly for the last 10 seconds.
.
Once the exit delay time has expired, the keypad will beep twice to confirm that the
system is armed.
The rest of the ARMING THE SYSTEM section explains how to bypass zones before arming
the system, as well as certain arming options our installer can install. However, it's important
for you to remember that no matter how your system is programmed, you will always disarm
it in the same way: enter your PIN, then push the # key.
10
seconds.