Otto Earphone Kit User manual

804052 09/05
REPLACEMENT PARTS
DESCRIPTION BEIGE
PART #
BLACK
PART #
Noise Attenuating eartube/earplug set, Qty 1 C100733 N/A
Quick Disconnect Acoustic Tube Assembly, C101221-19 C101221-2
Noise Attenuating Plugs, (Kit includes
acoustic tube, adapter w/clip, foam eartube
plug and foam earplug)
Flexible Open Ear Inserts, Left medium C806573-LM N/A
Flexible Open Ear Inserts, Right medium C806573-RM N/A
2 East Main Street
Carpentersville, IL 60110
Toll Free Phone: 888-234-OTTO (6886)
Phone: [phone]
Fax: [phone]
Internet: www.ottoeng.com
E-mail: [email protected]
For warranty information, customer service, or to order
replacement parts, please contact:
OTTO • 2 E. Main Street • Carpentersville IL 60110 Phone: [phone]
FAX: [phone] Toll Free Phone: 888-234-OTTO
SURVEILLANCE KITS
The OTTO Surveillance Kits for Two-Way Radio commu-
nications provide remote monitoring and optional remote
control of the push-to-talk function of the radio. They are
designed for use in low to moderate noise environments
to ensure discreet transmissions that are unnoticed by
others. These kits feature:
•Lightweight earphone
•Low-profile, flexible, transparent, quick disconnect
acoustic tube
•Flexible, high-grade cable for demanding
applications
•Beige or black color options
•Various push-to-talk and microphone options
Earphone Kit
2 Wire Palm Microphone
3 Wire Mini Lapel Microphone
Information on Disposal of Old Electrical and Electronic Equipment (applicable
for EU countries that have adopted separate waste collection systems)
Products with the symbol (crossed-out wheeled bin) cannot be disposed
as household waste.
Old electrical and electronic equipment should be recycled at a facility
capable of handling these items and their waste byproducts. Contact your
local authority for details in locating a recycle facility nearest to you.
Proper recycling and waste disposal will help conserve resources whilst
preventing detrimental effects on our health and the environment.

PRODUCT DEFINITIONS
Earphone Kit
The earphone kit consists of an earphone, standard size
eartip, acoustic tube adapter, acoustic tube, and cable
terminating into the radio accessory connector.
2 Wire Palm Mic Kit
The palm microphone kit consists of two cables: one that
has an earphone, standard size eartip, acoustic tube
adapter, and acoustic tube; and one that has a combined
push-to-talk switch and microphone, both of which
terminate in the radio accessory connector.
3 Wire Mini Lapel Mic Kit
The mini lapel microphone kit consists of three cables: one
that has an earphone, standard size eartip, acoustic tube
adapter, and acoustic tube; one that has a pendant push-to-
talk switch; and one that has a low profile lapel microphone,
all of which terminate in the radio accessory connector.
Noise Attenuating Kit (Optional)
Recommended for high noise environments, a noise atten-
uating kit with a foam eartube can easily replace the stan-
dard size eartip on any of the kits mentioned above. See the
replacement parts table for part number identification.
Flexible Open Ear Inserts (Optional)
The Flexible Open Ear Inserts are molded from hypo-
allergenic plastic and designed to fit entirely inside the ear. It’s
open frame still allows the user to hear ambient noise. See
the replacement parts table for part number identification.
Figure 1
HOW TO USE NOISE ATTENUATING KITS
Take the earplug or eartube between a thumb and finger.
Gently squeeze and roll the earplug or eartube until small
enough to fit within the ear canal. Position the earplug or
eartube into the ear canal. The earplug or eartube will
expand to fit firmly within the ear canal.
HOW TO ADJUST MICROPHONE GAIN
(NOT STANDARD ON ALL PRODUCTS)
Microphone gain is adjustable on some 2 wire and 3 wire
kits that have a transition module between the cables to
the earphone, microphone and push-to-talk switch and
the cable to the radio connector. To access the
adjustment, remove the two Torx head screws (size 6)
and the transition module cover, (see transition module
view). A gain control potentiometer is located on the
circuit board closer to the microphone cable end of the
transition module. Turn the gain control counter-clock-
wise to decrease microphone sensitivity in high back-
ground noise environments. For increased microphone
sensitivity in low back-ground noise environments, turn
the gain control clockwise. Cable boots and crimps must
be positioned with their largest flat facing upward before
closing the transition module cover and re-installing the
screws.
REPLACEMENT PARTS
DESCRIPTION BEIGE
PART #
BLACK
PART #
Standard clear eartip, Qty 1 C800947 N/A
Standard clear eartip, Qty 10 C100569 N/A
Standard clear eartip, Qty 25 C101206 N/A
Quick disconnect acoustic tube adapter kit C101220-19 C101220-2
(includes tube, adapter with clip and eartip)
Quick disconnect adapter only with clip C101222-19 C101222-2
Quick disconnect acoustic tube and eartip C101199 N/A
only (1 per pack)
Quick disconnect acoustic tube and eartip C101199-05 N/A
only (5 per pack)
Earphone Only C101115-19 C101115-2
Replacement Earphone Kit with Acoustic C101219-19 C101219-2
Tube (Includes earphone, acoustic tube,
adapter and clear eartip)

INSTALLATION
(1) Turn the radio off. Installation of the surveillance kit
while the radio is on may cause the radio to transmit
constantly, locking up your radio system. If this should
happen, turn off the radio. The radio can then be turned
back on, restoring normal operations.
(2) Remove any dustcaps or covers from the radio
accessory connector.
(3) Attach the surveillance kit to the radio accessory
connector.
(4) Tighten mounting thumbscrew if required. Install radio
accessory clamp if required
To change the surveillance component parts refer to the
exploded view (see Figure 1) and proceed as follows:
a) To change eartips on an acoustic tube detach the
eartip from the elbow. Position the replacement eartip
over the elbow and press firmly on the eartip to secure.
b) To change to a noise attenuating assembly on
an acoustic tube assembly or to change eartubes on a
noise attenuating assembly, detach the eartip or eartube
piece from the elbow. Position the tube end of a new
eartube piece from a noise attenuating plug kit over the
elbow and press firmly on the eartube to secure.
c) To replace an acoustic tube assembly, simply
grab the base of the unit and turn a 1/4 turn to the left and
gently pull out the acoustic tube.
d) To change earphones, gently pry the acoustic
tube adapter away from the earphone by sliding a thin
object between the adapter and the earphone. Work the
thin object around the circumference of the earphone to
free adapter. Detach the cable connector from the
earphone. Reconnect the accessory cable connector to
the new earphone by snapping firmly in place. Snap the
acoustic tube adapter onto the earphone.
OPERATION
Turn the radio on and operate it as explained in the
operating instructions supplied with the radio. Installing the
surveillance kit bypasses the radio’s speaker and routes the
output to the earphone’s speaker. When using the optional
remote push-to-talk and microphone, the remote mic is
enabled and on most radios, the radio’s microphone is
disabled.
MAINTENANCE
OTTO recommends the periodic cleaning of the eartip
with a mild soap and water solution to extend the life of
the accessory. OTTO also recommends the proper
storage of the accessory away from high temperature
conditions to prolong the life of the accessory.
HEARING PROTECTION WARNING
OTTO Communications products are designed to produce a spe-
cific audio output level at maximum rated power. Many countries
now have regulations defining the amount of noise that an indi-
vidual can be subjected to during a normal workday. The dura-
tion of exposure, the level of audio output and the level of ambi-
ent noise will affect compliance to these regulations. Compliance
is application dependent and standards vary. It is the SOLE
RESPONSIBILITY of the end user to determine applicability of
and compliance to local hearing protection regulations.
In addition, if purchasing any OTTO accessories which use
earphone kits, it is the SOLE RESPONSIBILITY of the user to
determine proper fit. Always use caution when inserting any of
the products into your ear.