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Installation Manual                                                                                                   Appendix B-5                                 
 
LEDs 
This section contains the functions and 
colors of all 14 LEDs on the Controller. 
Refer to Figure B.4 for a LED-only 
Controller PCB graphic. 
Special Considerations on 
LED1, LED2 and LED3 
LEDs 1, 2, and 3 are Tx Wand antenna 
output indicators.  
They are enabled/disabled with jumper 
JP15.  
The brightness of these LEDs depends upon 
the setting of the Tx Gain potentiometer 
(R6) and the proper tuning of each Tx Wand 
antenna. 
In addition, the brightness of LEDs 2 & 3 is 
dependant upon the setting of the Y & Z 
Balance potentiometers (R4 & R12 
respectively). 
When more than one Tx Wand antenna is 
connected at any one zone and jumper JP4 is 
installed, LEDs 1 & 2, or LEDs 1, 2, & 3 
will illuminate in sequence.  
If the LEDs are not illuminating in 
sequence: 
  Check to see if a Tag is in the zone 
  Check the position of jumpers JP4 
& JP15 
  Check the settings of 
potentiometers R4, R6, & R12 
  Check the Tx Wand antenna 
connections 
LED1  
(
X Antenna Indicator; Steady Green
This LED indicates the status of the “X” Tx 
Wand antenna.  
In a one Tx Wand antenna system, this LED 
will be on at all time provided that the Tx 
Gain pot it set high enough and the Tx 
Wand antenna is properly tuned.  
NOTE:
 Even if the “X” Tx Wand antenna is 
properly tuned, this LED can be dim or even 
completely out if the Tx Wand antenna is 
mounted too close to metal or if a metal 
object is placed too close to it.  
 
LED2  
(
Y Antenna Indicator; Steady Green
This LED indicates the status of the “Y” Tx 
Wand antenna. 
In a two Tx Wand antenna system, this LED 
will illuminate in sequence with LED1. 
NOTE:
 Even if the “Y” Tx Wand antenna is 
properly tuned, this LED can be dim or even 
completely out if the Tx Wand antenna is 
mounted too close to metal or if a metal 
object is placed too close to it. 
LED3  
(
Z Antenna Indicator; Steady Green
This LED indicates the status of the “Z” Tx 
Wand antenna. 
In a three Tx Wand antenna system, this 
LED will illuminate in sequence with LED1 
& LED2. 
NOTE:
 Even if the “Z” Tx Wand antenna is 
properly tuned, this LED can be dim or even 
completely out if the Tx Wand antenna is