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Fathom
IWSv2
Page 14
Calibrate Button
During the D.A.R.O. test sequence the Calibrate button’s green LED will blink
quickly to alert the user to two special conditions:
1. “JL Audio Microphone NOT Connected”: If you forget to connect the mic
before trying to start a Calibration you will get this alert. Press the Calibrate button
once to cancel the alert, connect the D.A.R.O. microphone, and try again.
2. “Inappropriate Sound Level for D.A.R.O. Calibration”: Since the D.A.R.O.
sequence is completely automatic, this alert likely indicates a problem with the
microphone. Press the Calibrate button once to cancel the alert. Ensure that the
JL Audio microphone is properly connected and try again. For further help, please
refer to Troubleshooting on page 33.
Input Mode Indicators
The Input Mode indicator LEDs show the input mode, either “Master” or “Slave”,
selected by the switch on the Fathom IWSv2’s back panel (unless the “Lights” switch
is set to “off”). For further details, see page 19.
Level Mode
The two-position Level Mode switch allows you to select between
the following modes:
“Reference” - In this mode, the Master Level control knob has no effect on the
Fathom IWSv2’s output level. Use this setting if you will primarily be controlling
the subwoofer level via your receiver or preamplifier/processor. For those of us with
small children or overenthusiastic teenagers, this mode of operation will prevent
direct manipulation of the Master Level.
“Variable” - In this mode, the Master Level control knob determines the output
level of the Fathom IWSv2 subwoofer. This mode is also useful when level matching
the Fathom IWSv2 subwoofer to a pair of stereo speakers in a two-channel system.
Master Level Knob
The Master Level Knob is used to control the output level of the Fathom
IWSv2 when the Variable Level mode is selected on the front control panel.
When rotated fully counter clockwise, the Fathom IWSv2’s output will be
fully muted. When at the “0” or straight up position, the Variable gain level
matches the Reference level setting. When turned fully clockwise, the Fathom
IWSv2’s output level is 15 dB higher than the Reference setting.
Lights
The “Lights” selector switch allows the user to select one of three indicator
light modes.
“Off” turns off all of the front panel LED’s at all times.
“Dim” sets all of the front panel LEDs to a low brightness level when the
Fathom IWSv2 is turned on.
“On” sets all of the front panel LEDs to full brightness level when the Fathom
IWSv2 is turned on.
IMPORTANT
IMPORTANT: WHEN TROUBLESHOOTING OR CALIBRATING THE D.A.R.O.
FEATURE, MAKE SURE THAT THE “LIGHTS” SWITCH IS SET TO “DIM” or “ON.”
