JL Audio f110 owner manual On the Fathom’s Front Panel

On the Fathom’s Front Panel:

Please turn off the home theater receiver or preamp/processor to make these adjustm ents.

1.“Power” Switch

Flip each Fathom’s “Power” switch to the “On” position.

2.“Lights” Switch

Flip each Fathom’s “Lights” switch to the “On” position. If you don’t see any lights on the front panel, you may have forgotten to plug the Fathom in or there may be a problem with the electrical circuit.

3.“Input Mode” Indicator Lights

If you are using a single Fathom, confirm that its “Input Mode” indicator light is on the “Master” position. If not, you will need to access the upper “Input Mode” switch on the rear panel of the Fathom.

If you are using multiple Fathoms in a Master/Slave configuration, confirm that the unit connected directly to your receiver or preamp/processor is indicating “Master” on its “Input Mode” lights and that all other units are indicating “Slave” on their “Input Mode” lights. If not, you will need to access the upper “Input Mode” switches on the rear panels of the Fathoms.

3.“Level Mode” Switch

Flip the master Fathom’s “Level Mode” switch to the “REF” position.

4.“LP Filter” Switch

If your home theater receiver/processor is handling bass management (speakers set on “small”) or if you are using an outboard crossover/bass- management processor, flip the master Fathom’s “LP Filter” switch to “OFF.” If not, select the “12 dB” position.

5.“LP Freq. (Hz)” Knob

Rotate the “LP Freq.” knob to the “80 Hz” position.

6.“e.l.f. trim (dB)” Knob

Rotate the “e.l.f. trim” knob to “0”

7.“Polarity” Switch

Flip the “Polarity” switch to “0”.

8.“phase (deg.)” Knob

Rotate the “phase” knob to “0” degrees

9.A.R.O. Defeat Switch

Press the A.R.O. defeat switch so that the red light in the switch remains lit.

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