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Relay Box Jumper Settings
The following figure and table will explain the location and purpose of the various jumpers, switches,
Relay Box Circuit
and controls on the Relay Box circuit board. This board is located on the inside of the Relay Box door.
Contrast Control
for front of box
LED display
DIP Switch
SW1 Circuit Board
Reset Button
JP6
JP2
JP5
JP4
JP3
JP8
JP9
Figure 2-18. Relay Jumper Box Settings
Chapter 2: Hardware Installation
JP7
JP10
JP11
Tunnel Master® Jr. User Manual
- Page 21
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