Lectrosonics UT300VM User Manual download pdf (Page 10)

BATTERY INSTALLATION

The transmitter is powered by a standard alkaline 9 Volt battery. It is important that you use ONLY ALKALINE or

LITHIUM batteries for reliable operation. Alkaline batteries will provide about 8 hours of operation while the lithium

batteries will operate the transmitter for 18 to 20 hours. The battery status lamp will function normally only with

alkaline or lithium batteries. Standard zinc-carbon batteries marked “heavy duty” or “long-lasting” are not adequate.

The battery compartment is located in the lower section of the transmitter, between two printed circuit boards. To

install a fresh battery, follow the steps illustrated below.

Look inside the battery compartment when the cover is off and take note of the two differently sized holes in the

battery contact pad. Insert the battery so that the large hole in the battery contact pad will line up with the large

Rotate Ring

STEP 1

STEP 3

Remove

Cover

STEP 4

STEP 6

STEP 5

Rotate Ring To

Lock Closed

STEP 2

1/8 Turn

–

Insert

Battery

Replace

Cover

–

Alternate Method

Depress the plunger with the

corner of the battery and slide the

battery into the compartment. Note

that the locking ring is in the closed

position for this procedure.

Ring will sit flush in the

closed position.

Pull Ring

Outward

contact on the battery when it is installed. The spring-loaded plunger in the bottom of the compartment (opposite the

contact pad) secures the battery in place.

The battery status is indicated by an LED on the bottom panel. The LED will glow brightly when the battery is good

and will dim as the battery condition deteriorates. The LED is at full brightness with a new battery. (Be sure this LED

is enabled with the EXT LED switch in the battery compartment.

Note: It is possible to insert the battery backwards and still be able to close the battery door. No damage will occur

but the transmitter will not operate in this condition.

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Lectrosonics UT300VM User Manual Page 10

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