Version 1.0 October 2009
Function Button / LED
This button is used to pair the
WTX-4100 with an optional
wireless Push-To-Talk device.
Accessory Jack
Allows the connection of an
optional Mobility Sound wired
audio accessory with a 3.5
mm threaded connector, such
as a Push-to-Talk, earphone,
throat microphone or other
auxiliary microphone.
Push-To-Talk Switch
Pressing this button will cause the
two-way radio attached to the
WTX-4100 to transmit while the
button is held.
Speaker / Push-To-Talk
(Front-Mounted)
The large, front-firing speaker of
the WTX-4100 can also be used as an
alternate Push-To-Talk switch. The
patented design is easily activated by
pressing on the speaker grill on the
front of the microphone. Receive calls
will be heard over the speaker unless a
wired accessory with a speaker is
plugged into the accessory jack.
Battery Cover
The WTX-4100’s
wireless functions
are powered by
three AAA batteries.
The battery
compartment is
secured underneath
this cover.
Microphone
Transmit audio will be picked
up by the WTX-4100’s internal
microphone unless a wired
audio accessory with a
microphone is plugged into
the accessory jack.
Panic Button
The multi-function panic
button can be used to activate
the two-way radio’s panic or
man down feature, or one of
several other features,
depending on how the
two-way radio the WTX-4100
is being used with has been
programmed.
Note that not all two-way
radios support the panic
function.
Model
Power Source
4100
3 AAA batteries
4100IL
3 AAA batteries
4100ILS
3 AAA batteries
4101
3 AAA batteries
4102
3 AAA batteries
4103
3 AAA batteries
4105
3 AAA batteries
4106
3 AAA batteries
4110
Radio Power
4111
Radio Power
4112
Radio Power
4113
3 AAA batteries
4122S
3 AAA batteries
4131
Radio Power
4132
Radio Power
4133
Radio Power
4143
Radio Power
4163
3 AAA batteries
4173
3 AAA batteries
4183
Radio Power
WTX-4100
SPEAKER MICROPHONE
User’s Operation Guide
The WTX-4100 series Speaker Microphone is a multi-function audio
accessory designed for first responders.
QUICK START
1. Insert batteries into the WTX-4100 Speaker Microphone (if needed)
2. Insert a battery into the wireless PTT.
3. Connect the WTX-4100 to a compatible two-way radio.
4. Pair the WTX-4100 with the wireless PTT accessory.
5. Connect a wired earphone, audio accessory, or PTT to the accessory jack.
(OPTIONAL)
STEP ONE: Inserting Batteries into the WTX-4100
The wireless functions of the WTX-4100 series Speaker Microphone require power.
On some models, this power is supplied directly from the two-way radio the
WTX-4100 is attached to. However, most models require 3 AAA batteries (not
included). All features other then the wireless function do not require any
additional power source and will work even without batteries. To insert batteries
in the WTX-4100, do the following:
* Always turn off the two-way radio attached to the WTX-4100 or disconnect the
WTX-4100 from the two-way radio before changing the batteries.
* Remove the battery cover of the WTX-4100 by turning the thumbscrew
counter-clockwise until loose. Lift up on the battery cover to remove it. Note that
the battery cover may continue to be secured to the WTX-4100’s main housing by
a rubber retainer.
* Insert three AAA size batteries into the battery compartment observing correct
polarity. Use only new batteries. Do not mix batteries of different brands or new
batteries with batteries that have been used.
* Reattach the battery cover and tighten the thumbscrew by turning it clockwise.
Do not over tighten.
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WTX-4100 Speaker Microphone
Controls and Connection
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Models which require batteries
Some models of the WTX-4100 require three AAA batteries to power the
wireless functions of the microphone. Other models are powered directly
by the two-way radio the WTX-4100 is attached to. To determine whether
the WTX-4100 model you have requires batteries, consult this table.
If your model is not listed, contact Mobility Sound tech support to determine if
AAA batteries are needed to power the wireless function of your WTX-4100
series microphone.
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