SportDOG SD 425X Camo Add-A-Dog Additional Collar / Extra Receiver SDR-AXCOriginal extra camo receiver collar for the SportDOG SD 425X Camo WetlandHunter. Includes 3/4" orange collar strap that fits up to a 23" neck, short and long contact points, charger and owners manual. Compatible with the Following Systems: Synchronizing a Replacement Collar Receiver to your Transmitter1. Turn the Collar Receiver off. ![]() ![]() ![]() How to Program the Collar for Multi-Dog Operation with the SD-425X/SD-425XS/SD-825X 1. Program the Remote Transmitter to mode 3 or 4. (Consult the X-Series Owners Manual for more information on Transmitter Modes.) ![]()
B. Turn the Remote Transmitter over. ![]() D. When the mode button is pressed, the Transmitter Indicator Light will be solid in color. When it is released, it will flash the same number of times as the mode selected. 2. Program the first Collar Receiver:
![]() ![]() ![]() 3. Program the second Collar Receiver the same way using A through D above, but using the Lower Button in place of the Upper Button. 4. Program the third Collar Receiver the same way using A through D above, but using the Side Button in place of the Upper Button.
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