Boss TU-2 Chromatic Tuner [23/36] Changing the battery

Changing the battery

1. Loosen the thumbscrew at the front of the

pedal, then lift the pedal upwards to open

the unit.

* The thumbscrew can be left in the pedal

while changing the battery.

2. Remove the old battery from the battery

housing, and remove the battery snap con-

nected to it.

3. Connect the battery snap to the new bat-

tery, and place the battery inside the bat-

tery housing.

* Be sure to carefully observe the battery’s

polarity (+ versus -).

4. Slip the coil spring onto the spring base on

the back of the pedal, then close the pedal.

* Carefully avoid getting the snap cord

caught in the coil spring.

5. Finally, insert the thumbscrew into the

guide bush hole and fasten it securely.

When the CHECK indicator goes dim or no

longer lights while an effect is on, it means

that the battery is nearly dead and must be

replaced.

Replace the battery following the steps be-

low.

Thumbscrew

Pedal

Spring Base

Coil Spring

Guide

Bush

Hole

Battery

Housing

Battery Snap Cord

Battery Snap

9V Battery