User Manual
Page 60
... and then press VOL+. The LED blinks four times. Replace battery with an infrared remote control. Remote does not control...all volume locking. Make sure the remote is now independently controlled for all listed codes for example, TV) will control the volume regardless of each selected device (Global Volume Unlock). An entry error has occurred...the device operates with new AAA size battery. Unlocking a Single Device's Volume Control Press a device key (TV, VCR/DVD, CBL/ SAT, or AUX). Troubleshooting PROBLEM SOLUTION LED does not blink when you want to change properly....
... and then press VOL+. The LED blinks four times. Replace battery with an infrared remote control. Remote does not control...all volume locking. Make sure the remote is now independently controlled for all listed codes for example, TV) will control the volume regardless of each selected device (Global Volume Unlock). An entry error has occurred...the device operates with new AAA size battery. Unlocking a Single Device's Volume Control Press a device key (TV, VCR/DVD, CBL/ SAT, or AUX). Troubleshooting PROBLEM SOLUTION LED does not blink when you want to change properly....