DAS Smart DL-250, Руководство оператора

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10
SPECIAL FUNCTIONS KEYS
The following section describes some special functions that can be performed
with the DAS LCD codepad. With the more powerful and versatile DAS codepad,
some of these functions are accessed with the four special function keys on the
left side of the number keys. These keys, labeled
[A], [B], [C] , and [D], are
described below:
The [A] key serves as a "Help" key. It only functions when the LCD
A
display shows the message, "TYPE A FOR HELP". Multiple
messages will be displayed in sequence every 3 seconds, or will
scroll with no delay each time the
[A] key is pressed.
The [B] key adjusts the brightness of the LCD backlighting to levels
B
1-6, with 6 as the brightest. The factory setting is 6. To turn off
only the LCD backlighting, press
[B][8] . To turn off only the
"ARMED", "STATUS", and "POWER" lights, press [B][9] . To turn off all
lights, press [B][0]. All lights will return to the "ON" mode when the [#] key
is pressed, or when an alarm condition, a fire or trouble condition, or a
pre-alarm occurs.
The [C] key is used to quickly program auxiliary codes in the run
C
m o d e . The display asks for User number, Master Code, and new
Auxiliary Code before automatically programming this information
into the DAS Control. NOTE! This function can only be used
when the DAS Control is disarmed.
The [D] key adjusts the LCD screen viewing angle for various
D
heights by pressing [D] and a number [1] through [3] . The lowest
viewing angle is 3 and the highest is 1. The factory setting is 3.
The
[D] key also causes the LCD screen to display Alarm Memory
w h e n [D][0] is pressed. Faulted and/or isolated zones from the
last 12 alarms will be displayed beginning with the most recent
alarm which is Alarm Memory #01. Pressing the
[A] button will
scroll through the entire Alarm Memory process one event at a
time. Exit this mode at any time by pressing the
[#] button.
NOTE! After pressing keys [B], [C] , or [D] , the display will revert back to the
standard message if no additional keypresses are made within 10 seconds. To
escape any of the special function modes and return to the standard message
screen, press the
[#] key