Lectrosonics ISO9VOLT Gebrauchsanweisung

The ISO9VOLTH kit includes a

modiﬁed battery door that ﬁts

any Lectrosonics UH type

plug-on transmitters.

ISO9VOLT

Battery Eliminator for UM & UH Series Transmitters

TECHNICAL DATA

Rio Rancho, NM, USA

www.lectrosonics.com

• Allows external powering of Lectrosonics

aluminum transmitters

• Standard 9 volt battery contacts and DC input

jack on “dummy battery”

• Modiﬁed battery doors available for both Belt-

Pack and Plug-On transmitters with ﬂip-open

style battery doors

• Preserves use with regular alkaline or lithium

batteries

The ISO9VOLT battery eliminator allows Lectrosonics

wireless transmitters with hinged battery doors designed

for 9 volt batteries to be operated from external power

sources. 10 to 18 volt DC is converted to regulated 9 volt

DC to power the transmitter at the battery terminals inside

the battery compartment. The modiﬁed door exposes the

connector for the external power source yet still operates

with regular dry cell batteries. The unit can supply up to

200 mA to work with the 250 mW transmitters. It is fused

and protected from reverse polarity.

The unique design isolates the power ground from the

audio ground in the transmitter allowing the unit to be

used in “bag systems” common in ﬁeld production. When

the mixer, receivers and wireless transmitters in a bag

are powered by a common battery, a ground loop is often

created which can cause high frequency noise (whining

or hiss) in the audio. The output of a DC/DC converter in

the ISO9VOLT is passed through a transformer, rectiﬁed

and then controlled by a regulator to produce the ﬁnal DC

power presented on the battery contacts.

The ISO9VOLTM model is a kit including the battery eliminator

and a modiﬁed battery door that ﬁts any Lectrosonics UM type

belt-pack transmitter with a hinged type door as shown here.

“M” Kit:

Modiﬁed door for Belt-Pack

“UM” transmitters

“H” Kit:

Modiﬁed door for

Plug-On “UH”

transmitters

The battery eliminator is not recommended for use with

any devices other than the Lectrosonics transmitter types

shown here. Use with any other device will void the fac-

tory warranty. Lectrosonics will not accept responsibility

for damage to nor ensure proper operation with any other

devices.

NOT FOR USE WITH TRANSMITTERS THAT

HAVE ROTATING TYPE BATTERY DOORS.

Caution: When removing a standard door to

replace with a modiﬁed door, proceed carefully as

the metal spring and tabs can easily be bent with

too much force.

Step 1:

Remove rear screw

on bottom of case.

“H” KIT INSTRUCTIONS “M” KIT INSTRUCTIONS

Note: Depending on date of manufacture,

frequency adjustable models may or may not have

a sliding door and bezel on this side. The screw is

in the same location on both versions.

Step 2:

Open battery door and locate the screw that holds the

spring to the case bottom. Loosen the screw several

turns but do not remove it.

Step 1:

Remove the four screws noted below and lift bezel from

control panel.

Step 3:

Insert the ISO9VOLT. The unit should look like the photo

below.

Close the door and press

down on it so it snaps

into place and is

ﬂush with the

bezel.

Step 2:

Remove battery door and place modiﬁed battery door in

exactly the same position. Make sure modiﬁed battery

door is oriented the same way as standard door.

Place the bezel on top of the

modiﬁed door and care-

fully tighten the four

screws.

Step 4:

Grip modiﬁed door (has hole in it) with thumb and foreﬁn-

ger and gently slide door hinge into place. Be careful not

to bend the spring or force the hinge. Make sure the hinge

of the modiﬁed door ﬁts behind the two little metal tabs

(see inset). It will ﬁt into place without much effort.

Step 3:

Place unit in a comfortable position while holding the

bezel slightly away from the casing. Grip door with thumb

and foreﬁnger and gently slide it away from and out of the

bezel. If the door does not slide out easily, pry the bezel

out slightly with your ﬁngernail.

Step 5:

Install the ISO9VOLT as shown so that the battery termi-

nals match the contacts in the transmitter. The battery

contact polarity is different on different models —

connector will align with access hole in either orientation.

Metal tabs on spring

Bezel

Re-align all parts before tightening screws. Tighten screw

holding spring to the case bottom that was loosened in

Step 2.

Replace and tighten screw on bottom of case that was

removed in Step 1.

November 10, 2006

581 Laser Road NE • Rio Rancho, NM 87124 USA • www.lectrosonics.com

(505) 892-4501 • (800) 821-1121 • fax (505) 892-6243 • sales@lectrosonics.com

Speciﬁcations

Input:

Minimum: 10.5 VDC

Maximum: 18 VDC

Connector: DC sleeve type

Output:

Voltage: 9 VDC regulated

Power: 200 mA maximum

Size and Weight:

Height: .67 in. (17 mm)

Width: .99 in. (25 mm)

Length: 1.76 in. (45 mm) housing only

1.91 in. (49 mm) including battery

contacts)

Weight: .6 ozs. (16.4 grams)

This device complies with Part 15 of the FCC Rules. Operation

is subject to the following two conditions: (1) This device may

not cause harmful interference, and (2) this device must accept

any interference received, including interference that may cause

undesired operation.

Mating Plug Dimensions and Polarity

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