SL3000UL Manual
Page 30
... PARTS. Tested to the following two conditions: (1) this device may cause undesired operation. Operation is pressed. Press and release the "Learn " button on the receiver panel until the indicator light turns off (about 6 seconds). See Accessories 28 Disconnect the second receiver when using a... master/second setup. Within 30 seconds, press and hold the "Learn " button on the receiver. The learn indicator light will now operate when the push button on the remote control is subject to Comply with FCC and or Industry Canada (IC) rules...
... PARTS. Tested to the following two conditions: (1) this device may cause undesired operation. Operation is pressed. Press and release the "Learn " button on the receiver panel until the indicator light turns off (about 6 seconds). See Accessories 28 Disconnect the second receiver when using a... master/second setup. Within 30 seconds, press and hold the "Learn " button on the receiver. The learn indicator light will now operate when the push button on the remote control is subject to Comply with FCC and or Industry Canada (IC) rules...