User's Manual

SPECIFICATION REV
497-0430074 A
8 OF 22
(d) The sequence (a, b, c) defined above shall be chained and sent as a single
transmit burst.
(e) The Alt key function shall remain in effect for no more than 5 seconds (the
operator has 5 seconds to select a button after pressing the Alt key.) The Alt
function is terminated at the end Alt + # command sequence.
2. Simultaneous activation of two or more buttons shall not result in commands, other than those listed
above, being sent to the ESL.
3.1.2.2 Repetitive Mode
1. Each numbered key press lasting longer than 1.873 seconds shall result in a repetitive mode
operation as described below:
(a) Program the 4
th
Sequence Register with 128 bits of information. Only 1
display register shall be programmed with FFh; all others shall be
programmed with 00h. The display register programmed with FFh is
dependent on which button is pressed per the following table:
Button Display Register
1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9
9 8
Alt 1 1
Alt 2 2
Alt 3 3
Alt 4 4
Alt 5 5
Alt 6 6
Alt 7 7
(b) Select the 4
th
Sequence Register for display
(c) Send the Switch Activation command.
(d) When a numbered button is held down for more than 1.873 second, the entire
sequence (a, b, c) shall be sent repetitively every 1.873 seconds. To conserve
battery life, the maximum transmit time shall be limited to 8 repetitions.
(e) The sequence (a, b, c) defined above shall be sent as a single concatenated
transmit burst..