Key Legend Symbol
0 to 9
The control keys are disabled at USER LEVEL 1. Pressing the SHIFT key will cause the display to
prompt for entry of the Level 2 password. The password must be entered to re-enable the control keys
at Level 2.
3.2 Front Panel LED Indications
The Level 1 LED Indicators are divided
into two sections.
The upper array of LED Indicators shows
the operational conditional of the panel
and the installation.
The lower array of Zone LED indicators
shows the location of a fire alarm or fault.
The standard Zone LED Indicators
provide identification for up to 20 zones.
On the ZX5Se and ZX10Se panels, this
can be extended by adding either a further
20 zones (to give a total of 40 zones) or a
further 60 zones (to give a total of 80
The LED Indicators illuminate as red,
yellow or green to give a clear indication
of the panel status as follows:
Press to enter numbers 0-9 or letters A-J (N-W with Shift)
Press to scroll through fire alarms or faults manually on the display or
letter K (X with Shift)
Press to scroll back through fire alarms or faults manually on the
display or letter Z (Y with Shift)
Press to change a display option (where allowed)
or letter M (Z with Shift)
Press to confirm entry of a multiple digit number
Press to answer No, or terminate a display option
Press to answer Yes, or step through a display option
Press to show user options on the display
Press, during programming, to allow entry of Letters N-Z
Table 2 – Alphanumeric and Interactive Control Keys
Document No. 996-175-000-1, Revision 01
ZX Fire Alarm Control Panels
System / CPU Fault
Figure 3 – System Control LED Display