Boss Audio Systems BF-3 User Manual
Page 5
5
Panel Description
2. CHECK Indicator
This indicator shows whether an effect is
ON/OFF, indicates the tempo (TEMPO
mode: p. 11–12), and also doubles as the
Battery Check indicator.
The indicator lights when an effect is ON.
* If this indicator goes dim or no longer lights
while an effect is ON or while the BF-3 is in
TEMPO mode, the battery is near exhaustion
and should be replaced immediately. For
instructions on changing the batteries, refer
to “Changing the Battery” (p. 14).
* The CHECK indicator shows whether the
effect is being applied or not, and is used to
indicate other effects. It does not indicate
whether the power to the device is on or not.
3.
OUTPUT A (MONO)/ OUTPUT B Jack
The output jacks are used to connect the
unit to an amplifier or another effects unit.
For monaural use, make the connection to
the OUTPUT A (MONO) jack.
4. GUITAR IN Jack
This jack accepts input signals (coming
from a guitar, some other musical instru-
ment, or another effects unit).
5. BASS IN Jack
This jack accepts input signal coming from
a bass guitar.
* BASS IN is disabled when the GUITAR IN
jack is used.
* When running the unit on battery power, the
GUITAR IN and BASS IN jacks double as
power switches. Power to the unit is turned