Sony Corporation UTXB03 Manuel D’Utilisation

Power Supply

14

This section describes the power supply of each device 
and the charging of nickel metal hydride batteries.

Body-pack transmitter (UTX-B03) and plug-on 
transmitter (UTX-P03)
The unit operates using power supplied from two AA 
batteries (alkaline, nickel metal hydride, or lithium 
batteries) or from a supply connected to the USB 
connector. If power is supplied simultaneously from 
batteries and from a supply connected to the USB 
connector, power from the USB connector has 
precedence. For details about inserting batteries in each 
device and displaying the battery level, or supplying 
power from a supply connected to the USB connector, see 
the following sections.

Hand-held microphone (UTX-M03)
The unit operates from two AA batteries (alkaline, nickel 
metal hydride, or lithium batteries). For details about 
inserting batteries and displaying the battery level, see the 
following sections.

Portable diversity tuner (URX-P03)
The unit operates from two AA batteries (alkaline, nickel 
metal hydride, or lithium batteries), power supplied from 
a supply connected to the USB connector, or power 
supplied from the auxiliary connector. The power supply 
that has precedence when both AA battery power and an 
external power supply via the USB connector or auxiliary 
connector are available can be specified using the PWR 
SOURCE (external power selection) function. Under the 
factory default setting, the power supplied from inserted 
AA batteries has precedence. For details about inserting 
batteries and displaying the battery level, or supplying 
power from supply connected to the USB connector, see 
the following sections.

The use of manganese batteries will result in poor 
performance. Do not use manganese batteries.

• Always use sets of the same type of battery. Do not use 

batteries of different types or batteries with different 
charge level together.

• Replacing the batteries during operation may generate 

a large noise. Be sure to turn off the unit before 
replacing the batteries.

The following describes the procedure using illustrations 
for the body-pack transmitter (UTX-B03). Batteries can 
be inserted in the plug-on transmitter (UTX-P03) and 
portable diversity tuner (URX-P03) in the same manner.

Press and hold the POWER/MUTING button to turn 
the power off.

Slide the two catches inward (as indicated) and pull 
the battery compartment out.

Insert two new AA batteries into the battery 
compartment with 3 and # polarities in the correct 
orientation, and close the compartment.

Make sure that the battery compartment is locked 
securely.