LOWER CASE key – press
with an alphabetic key to
enter lower case characters
DETECTOR key – press
to select a detector
OUTPUT key – press to select a
Notification Appliance Circuit
MODULE key – press to select a
control/relay or monitor module
NEXT SELECTION key – press to display the next item in a list
or display the device at the next highest address
PREVIOUS SELECTION key – press to display the previous item
in a list or display the device at the next lowest address
Arrow keys – press to move the cursor
one place in the direction of the arrow
ESC key – press to exit a selection or
move the cursor one place to the left
ENTER key – press to complete
or save an entry. Also press to
enter Programming
Numeric keys – press to enter
numeric characters. Press with
Lower Case key for symbols.
Alphabetic keys – press to enter
alphabetic characters
S
PACE – press to enter a space
NFS640-keypad3.cdr
BATTERY LEVELS key – press
to check the voltage and
charging status of the
batteries.