W J R O L S AND OPERATION {cmunue) 9 1. Power Termlnal(+l2V). 2. Remote Turn-On Termlnal (REM). * dc r 3. Ground Terminal (GND). @4. Subwoofer Low Pars Frequency ~ o n t r o l p * 5. Bass Boost Level Control (TO +.t8dB) t 6. Bass Boost Frequency Controt 7. Low Pass Mode Swltch: Allows Low Pass Channel to receive signal from - .. dither the mix of Front and Rear inputs or from Low Pass Inputs dlreetlmm.r3 : when head unit has appropriate 5th I 6th outputs. 1. 8.