
ZX
A
/ Z
XE
MORLEY-IAS
C
OMMISSIONING
M
ANUAL
Document No. 996-071, Revision:
1
,
Aug 99
Page
7
3.3 Alphanumeric Display Indications
•
The alphanumeric liquid crystal display gives 80 characters of information on a 2-line display. The display is
illuminated to assist viewing under dim ambient light conditions.
•
When the numeric keypad is not in use, the display will revert to automatically scrolling through any fire alarm or
fault conditions present on the panel. If there are no alarm or fault conditions, the display will show the date and
time.
•
Pressing the SHIFT key will show a list of optional functions or prompt for the level 2 password.
[Panel ACTIVE Control Keys INHIBITED] [1]
Do you want to enable the control keys?
3.4 Memory Lock
•
To make changes that affect the configuration of
the system, such as adding detectors, the system
memory must first be unlocked.
•
Open the enclosure door and move the memory
lock switch to the open position.
•
The Memory Lock Switch is located on the CPU
Board.
•
The figure opposite shows the interior of the ZXa
Fire Alarm Control Panel. The ZXe Fire Alarm
Control Panel uses the same CPU Board and has
a similar arrangement.
Memory Lock Switch
Printer Port
Figure 4 - Memory Lock Switch Location
Ensure that the Memory Lock Switch is open prior to performing any programming.
Ensure that the Memory Lock Switch is closed before returning the panel to normal
operation.