JVC KD-AR270J Instructions Manual page 99

Indications
WOOFER
*
L/O MODE
TAG DISP
AMP GAIN
* Displayed only when "L/O MODE" is set to "WOOFER."
Selectable settings, [reference page]
LOW :
MID :
[Initial];
HIGH :
REAR : [Initial];
WOOFER :
TAG ON :
[Initial];
TAG OFF :
LOW PWR :
HIGH PWR : [Initial];
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