DIVELINK COM-UC-8-20 Series User manual

COM-UC-8-20 Diver Unit
1
INTRODUCTION..................................................................................2
Determining the Options and Capabilities of your Model.....................2
PRODUCT DESCRIPTION..................................................................4
Diver Unit.................................................................................4
Communicator Pack................................................................5
Power/Test/Channel Switch....................................................5
Ear/Mic Harness Options for Underwater Use........................6
Surface Conversion Kit Option for Surface Use......................8
Assembling the Equipment .....................................................9
Earphone/Microphone Harness Connection...........................9
Operating the Earphone/Microphone Harness .....................10
Earphone Capabilities and Placement..................................11
Charging the Communicator Pack........................................13
Battery Conditioning..............................................................16
WHAT TO EXPECT WHEN COMMUNICATING UNDERWATER....16
Barriers to Transmission.......................................................16
Range Considerations...........................................................17
OPERATION......................................................................................17
Turning the Unit On...............................................................17
Channels...............................................................................18
Receiving Transmissions......................................................19
Sending Transmissions to Divers .........................................19
Talking and Receiving Protocol ............................................19
MAINTENANCE.................................................................................19
Opening the Communicator Pack.........................................19
O-Rings.................................................................................19
Cables...................................................................................20
Regular Maintenance of the Battery .....................................20
SPECIFICATIONS.............................................................................21
WARRANTY.......................................................................................22
Validation...............................................................................22
Period and Coverage............................................................22
Transferability........................................................................22
Limitations.............................................................................22
DISCLAIMER .....................................................................................22
SERVICING........................................................................................23
Contact Information...............................................................23
Warranty/Repair Conditions..................................................23
Sending Procedure ...............................................................23
Rev 01/12 8 01/20

Made by Divers for Divers
2
INTRODUCTION
Congratulations! You have just purchased the most sophisticated
underwater communication system on the market.
The DIVELINK Diver Unit is a voice-operated or push-to-talk wireless
transceiver for underwater communication on multiple channels
between two or more divers. It allows the divers to talk "hands free" to
one another. The unit can be converted to a surface unit by attaching
the headset and transducer supplied in the DIVELINK Surface
Conversion kit.
The unit can also be used to communicate with personnel on the
surface, who are using a DIVELINK Surface Unit. (For details of the
Surface Unit, see the DIVELINK manual entitled SURFACE UNIT,
MODEL COM-S...)
Employing the latest in micro-electronics technology, the Diver Unit
has been engineered to be as simple to use as possible. All
adjustments for sound quality are fully automatic. The operator need
only adjust channel setting and volume and choose between hands-
free or push-to-talk modes.
Determining the Options and Capabilities of your Model
There are many Options that the COM-UC belt pack diver
communicator may be ordered with. The MODEL NUMBER contains
a sequence of letters that describe in short form the exact Options
that the communicator contains. The Model Number is shown on the
label affixed to the case.
The Model Number
with Options are listed
in full detail on the
next page.

COM-UC-8-20 Diver Unit
3

Mad
e
PR
O
Div
e
The
rech
a
tran
s
T
r
(
re
T
r
c
h
C
o
P
a
e
by Divers fo
r
O
DUCT D
E
e
r Unit
Diver Unit c
o
a
rgeable ba
t
s
ducer.
r
ansducer
re
moved)
r
ansducer
/
h
arge port
o
mmunicator
a
ck
r
Divers
E
SCRIPTI
O
o
nsists of a
C
t
teries, a bat
t
4
N
C
ommunicat
o
t
ery charger,
Diver Unit
o
r Pack with
and a remo
v
integral
v
able
Battery ch
a
with count
r
mains ada
p
a
rger
r
y
p
ters

Co
m
The
the
p
con
n
Po
w
The
10 p
o
Tabl
e
Po
s
1
2
3
4
5
See
Cha
n
T
r
c
h
m
municato
r
Communica
t
p
ack contain
s
n
ector, charg
w
er/Test/C
h
power/test/c
o
sitions, de
p
e
1: Power/
T
s
Functio
n
OFF
TEST (B
a
Channel
Channel
Channel
the section
s
n
nel selectio
n
Transducer
(inserted)
r
ansducer
/
h
arge port
r
Pack
t
or Pack is
w
s
a transduc
e
e-indicator li
g
h
annel Swi
t
hannel swit
c
p
ending on t
h
T
est/Channel
n
a
ttery Chec
k
selection 1
selection 2
selection 3
s
entitled O
P
n
.
5
w
orn on the d
e
r/charge p
o
g
hts, and a
p
t
ch
c
h on the C
o
h
e number o
f
Switch Pos
Po
6
k
) 7
8
9
1
0
P
ERATION
Earp
h
conn
e
COM-
U
iver’s weigh
t
o
rt, an earph
o
p
ower/test/c
h
o
mmunicator
f
Channels o
itions
s Functi
o
Channe
l
Channe
l
Channe
l
Channe
l
0
Channe
l
for more in
f
h
one/microph
o
e
ctor
Charge-
lights
U
C-8-20 Diver
t
belt. The to
o
ne/microph
o
h
annel switc
h
Pack has u
p
rdered.
o
n
l
selection 4
l
selection 5
l
selection 6
l
selection 7
l
selection 8
f
ormation a
b
o
ne
indicator
Power/Te
s
/Channel
S
U
nit
p of
o
ne
h
.
p
to
b
out
s
t
S
witch

Made by Divers for Divers
6
Ear/Mic Harness Options for Underwater Use
To enable a diver wearing a Communicator Pack to speak to and
hear other underwater divers or surface personnel, a separately
purchased Earphone/Microphone Harness is required and also a
microphone MPC-xxx to suit the full face mask being used.

The
earp
to a
m
Earphone/M
hone/microp
m
icrophone
w
icrophone H
a
hone conne
c
MPC-xxx to
Earphone
/
w
ith Microp
h
7
a
rness conn
e
c
tor on the
C
suit the mas
k
/
Microphon
e
h
one and Ful
COM-
U
e
cts to the
C
ommunicat
o
k
being use
d
e
Harness
l Face Mask
U
C-8-20 Diver
o
r Pack and
a
d
.
U
nit
a
lso

Mad
e
Sur
f
The
of a
pers
o
on o
t
The
Surf
a
earp
use
d
The
e
by Divers fo
r
f
ace Conv
e
Diver Unit c
a
separately
p
o
n on the s
u
t
her vessels
.
Surface Co
n
a
ce Transd
u
hone/microp
d
as a norm
a
t
ransducer
e
(Sh
o
r
Divers
e
rsion Kit
O
a
n also be a
p
urchased S
u
u
rface to co
m
.
n
troller Kit c
o
u
cer on an
E
hone conne
a
l headset
w
e
xtension is
o
Surfa
c
o
wn plugged
8
O
ption for
S
dapted for u
u
rface Conv
e
m
municate
w
o
nsists of a
S
E
xtension. T
h
ctor on the
w
ith push to
t
o
rdered in o
n
Surface Tra
n
XDR-S08-S
33 feet / 10
Surface Co
n
Boom Micro
p
c
e Conversi
o
into the Com
m
S
urface Us
e
se on the s
u
e
rsion Kit. T
h
w
ith divers o
r
S
urface Cont
r
h
e headset
c
Communica
t
t
alk button
a
n
e of three le
n
sducer Exten
s
Meters
n
troller Unit wit
h
p
hone, part nu
o
n Kit
m
unicator P
a
e
u
rface by me
h
is kit enabl
e
r
with perso
n
r
oller Unit a
n
c
onnects to
t
or Pack an
d
a
nd microph
o
ngth options
s
ion, part num
b
h
mber EAR-MI
C
a
ck)
ans
e
s a
n
nel
n
d a
the
d
is
o
ne.
.
b
e
r
C
-S

Ass
Ear
p
Har
n
The
und
e
Clea
rubb
grea
alig
n
NO
T
soc
k
may
prev
e
The
with
Bea
r
surf
a
dam
a
clea
n
san
d
The
rem
o
woo
d
not
u
embling t
h
Caution:
element.
housing,
must be
dropped
o
Importa
n
with O-ri
connect
o
procedu
r
ensure t
h
to compl
and dam
a
p
hone/Mic
r
n
ess Conn
e
standard m
o
e
rwater mate
n and lubric
a
er areas ligh
se and pres
s
n
ing the pins
T
use excess
i
k
et or on the
g
build up an
d
e
nt a proper
gold pins m
a
a rubber er
a
r
in mind tha
t
a
ce on the pi
n
a
ged by grit
n
ing or scra
p
d
paper.
socket may
b
o
ving foreign
d
en toothpic
k
u
se sharp m
e
h
e Equipm
e
The trans
d
Although th
e
it is suscept
i
taken to
p
o
r bumped
a
n
t!: Before
m
ngs are se
c
o
rs mated
r
e must be
h
at there is
n
y with this
r
a
ged unit an
r
ophone
e
ction
o
del has an
able connec
t
a
te the conn
e
tly with O-Ri
s
together af
t
correctly. D
o
i
ve grease i
n
g
old pins as
d
hydraulicall
y
connection.
a
y be cleane
d
a
ser if neces
s
t
the gold-pl
a
n
s can be
or harsh
p
ing. Do not
b
e cleaned
b
material wit
h
k
or a Q-tip.
e
tal tools.
9
e
nt
d
ucer conta
i
e
element i
s
i
ble to mech
a
p
revent the
a
gainst a har
d
m
aking a div
e
c
urely in pl
a
and locked
performed i
n
n
o water in
t
r
equirement
d voids warr
a
t
or.
e
ctor
ng
t
er
o
n
the
this
y
d
s
ary.
a
ted
use
b
y
h
a
Do
COM-
U
ins a sensi
t
s
encased in
a
nical impa
c
transducer
d
object.
e
, ensure th
a
a
ce, then th
e
. This
m
n
a dry en
v
t
he connecti
o
may result
a
nty.
U
C-8-20 Diver
t
ive cerami
c
a protectiv
e
c
t. Great car
e
from bein
g
a
t connector
s
e
associate
d
m
ating/lockin
g
v
ironment t
o
ons. Failur
e
in a floode
d
U
nit
c
e
e
g
s
d
g
o
e
d

Made by Divers for Divers
10
Operating the Earphone/Microphone Harness
The Earphone/Microphone Harness contains a volume control knob,
a Push-To-Talk (PTT) button, and a Voice-Activation (VOX) lever.
1. To increase volume, turn the knob clockwise. To lower
volume, turn the knob counter-clockwise.
2. The Communicator pack has a Voice Activation mode. The
EAR-MIC harness has a lever that may be turned to the
horizontal position (see Figure 1). In this position, the PTT
button is locked in the activated state. After 30 seconds, the
VOX circuit is activated and the microphone will cause
transmission when the diver speaks.
3. To use the Ear/Mic in PTT mode, the VOX lever must be
flipped to the vertical position (see Figure 2), releasing the
button. Once this occurs, the diver must manually depress the
PTT button to activate transmission in the unit.
Figure 1 Figure 2

Ear
p
Pla
c
Ear
p
a so
l
pres
s
mea
n
both
equ
a
des
c
The
dam
a
on t
h
Inte
r
prev
e
stre
s
The
bon
e
emit
Ear
p
the
m
be p
l
adju
s
be u
s
O
v
p
hone Cap
c
ement
p
hones are
m
l
id rubber co
m
s
ure compe
n
n
s depth is
n
sides of the
a
l pressure d
c
ent in the w
a
concave sh
a
a
ge from im
p
h
e side of th
e
nal metal rei
e
nts damag
e
s
s.
earphone is
e
conductor.
sound.
p
hones may
b
m
astoid or c
h
l
aced inside
s
tment. In
w
s
ed for this
p
Important
the diver
m
maximize
v
er Ear Can
a
a
bilities a
n
m
anufactured
m
pound, an
d
n
sated. This
n
ot an issue
a
earphone h
a
uring diver
a
ter column.
a
pe prevents
p
act on the t
o
e
round earp
h
nforcement
e
by twisting
a loudspeak
Either side i
b
e placed o
v
h
eek bone. I
a dive hood
w
arm waters
a
p
urpose.
! When liste
m
ust equali
z
hearing.
a
l On th
e
11
n
d
with
d
are
a
s
a
ve
o
p or
h
one.
er as well a
s
s suitable a
n
v
er the ear c
a
deally they
s
for easy
a
Lycra ho
o
ning under
w
z
e the ears t
o
e
Mastoid B
o
COM-
U
s
a
n
d will
a
nal,
s
hould
o
dmay
w
ater
o
o
ne On t
h
U
C-8-20 Diver
h
e Cheek B
o
Lycra Hoo
d
U
nit
o
ne
d

Made by Divers for Divers
12
Alternately the earphone holders (supplied) locate earphones
between the full face mask straps over the ear canal.
The straps on a typical full
face mask are used to
mount the earphone over
each ear, using the part
EAR-HOLDER-1 which
has both a pocket to
install the earphone
inside, and locations for
the full face mask straps
to be captivated.
Instructions to mount the earphones with the earphone holders:
There are two earphones and two earphone holders. The procedure
is the same for both sides of the head.
Insert the upper strap into the
upper channel of the
earphone holder, then re-
attach strap to the mask
buckle.
Insert the earphone into the
holder.
Capture the lower strap and
the earphone cable with the
lower flaps of the earphone
holder.
Press together the Velcro®
tabs.

Ch
a
The
batt
e
that
m
all ti
m
Cha
r
is sh
a
rging the
C
Communica
t
e
ry pack. It
a
m
anages ch
a
m
es during
a
r
ge with quic
ipped with a
d
C
ommunic
a
t
or Pack con
t
a
lso contains
a
rging provi
d
a
ctive use.
k charger C
H
d
apters for
d
Com
m
with Fast
13
a
tor Pack
t
ains a fast-
c
a digital bat
t
d
es a “gas g
a
H
G-U04-UNI
V
d
ifferent cou
n
m
unicator
C
harger c
o
Universal
C
COM-
U
c
harge, mat
c
t
ery manag
e
a
uge” displa
y
V
(included)
.
n
tries and m
a
Pack
o
nnected
C
harger wit
h
Japan
North Ame
European
P
UK & Prot
e
A
ustralia /
U
C-8-20 Diver
c
hed cell Ni
M
e
ment syste
m
y
of charge
a
.
This charg
e
a
ins voltage
s
h
Adapters
rica
P
lug
e
ctorates Plug
China Plug
U
nit
M
H
m
a
t
e
r
s
.

Mad
e
A
n i
disc
h
cuts
Whe
colo
r
indi
c
the
red
one
is ti
m
pac
k
char
g
light
s
batt
e
doe
s
DIV
E
muc
h
parti
a
The
char
g
ener
allo
w
the
b
on,
occ
a
batt
e
furth
swit
c
100
%
light
s
You
cha
n
tem
p
batt
e
char
g
whe
n
few
batt
e
whe
n
bet
w
e
by Divers fo
r
nternal ene
r
h
arge activit
y
off the char
g
n the unit
r
ed lights
w
c
ate how mu
c
battery pac
k
(bottom) lig
h
lit, or if it is f
l
m
e to recha
r
k
using
t
g
er. When
s
are lit, (re
d
e
ry pack is
f
s
not have
t
E
LINK unit
h
operation
a
lly charged
sixth light
g
e status.
gy manage
m
w
ing a full r
b
attery. Wh
e
or on
a
a
sionally, it
m
e
ry is fully c
h
er charge w
c
h is turned
%
full charg
e
s
turn off.
may notice
n
ges. The
p
erature of
e
ry is in a w
a
g
ed, it will in
n
placed in
hours. This
e
ries, which
n
cooler.
O
w
een 10 to 2
0
r
Divers
r
gy manage
y
, and will d
i
g
e current a
u
is turned
o
w
ill light up
c
h charge is
k
. When t
h
h
t is the o
n
l
ashing, the
n
r
ge the batt
e
t
he suppli
e
the first fi
v
d
to green) t
h
f
ully charge
d
t
o be fully
c
won’t get
a
time out
pack.
indicates t
h
If it is off, t
h
m
ent system
ate charge
e
n this light
a
nd flashi
n
m
eans that t
h
h
arged and
n
ill be accept
OFF, a full
y
e
by this ligh
t
that the ba
t
EM system
the battery
a
rm environ
m
dicate less t
h
a cool envi
is typical o
f
will accept
ptimum cha
r
0
degrees ce
14
r monitors
t
splay the p
e
u
tomatically
w
o
n,
to
in
h
e
n
ly
n
it
e
ry
e
d
v
e
h
e
d
and ready
c
harged bef
o
a
s
of
h
e
h
e
is
to
is
n
g
h
e
n
o
e
d if plugge
d
y
charged p
a
t
remaining l
t
tery pack r
e
monitors t
h
pack. If t
h
m
ent when fu
h
an full char
g
ronment for
f
rechargea
b
more char
g
r
ge is obtai
n
ntigrade.
t
he amount
e
rcentage of
w
hen at 100
%
for use. T
h
o
re it can b
e
d
into a cha
r
a
ck will con
t
it continuall
y
e
acts slightly
h
e
h
e
lly
g
e
a
b
le
g
e
n
ed by char
g
Ch
a
GREE
GREE
YELLO
YELLO
YELLO
RED
of charge
a
charge. It
a
%
charge.
h
e battery
p
e
used, but
r
ger. When
t
inue to indi
c
y
while the o
t
to tempera
t
g
ing the bat
t
a
rge Status
N Charged
N 80-100
%
W 60-80%
W 40-60%
W 20-40%
0-20%
a
nd
a
lso
p
ack
the
the
c
ate
t
her
t
ure
t
ery
%

Cha
r
the
p
Tran
1.
T
2.
R
3.
P
p
c
o
4.
C

5.
W
b
c
f
6. I
f
O
r
ge the Com
m
p
ack:
Caution:
it to, th
e
TRANS
D
the tran
s
then lift t
h
sducer/Cha
r
T
urn the po
w
R
emove the
t
P
lug the batt
e
p
ort and rota
t
c
onnector. T
h
o
utlet.
C
harge the
C
Note: Wh
must be
s
charge st
a
W
hen chargi
n
b
y rotating t
h
c
harger con
n
f
rom the ele
c
nspect the
O
f
iber or cuts
O
-rings are
e
Transduc
e
m
unicator P
a
When remo
v
e
Communi
c
D
UCER ITSE
s
ducer/charg
e
h
e transduc
e
r
ge Port
w
er/test/chan
n
t
ransducer f
r
e
ry charger
c
t
e the lockin
g
h
en, plug th
e
C
ommunicat
o
en charging
s
et to OFF.
a
tus.
n
g is compl
e
h
e locking ri
n
n
ector out. In
c
trical outlet.
O
-ring seal i
n
(see the se
c
e
ssential fo
r
e
r
15
a
ck before e
a
v
ing the tran
c
ator Pack,
LF. Instead,
e
port CLO
C
e
r out.
n
el switch to
r
om the tran
s
c
onnector in
t
g
ring anti-cl
o
e
battery cha
r
o
r Pack until
f
the Comm
u
The indicat
o
e
te, unplug t
h
n
g clockwis
e
addition, un
n
side the tra
c
tion entitled
r
maintaini
n
COM-
U
a
ch day of d
i
sducer from
,
DO NOT
T
rotate the lo
C
KWISE by
OFF.
s
ducer/charg
t
o the transd
u
o
ckwise to l
o
r
ger unit int
o
f
ull charge i
s
u
nicator Pac
k
o
r light turn
s
h
e battery ch
e
and then li
f
plug the bat
t
nsducer/cha
O-Rings).
W
n
g a water-ti
U
C-8-20 Diver
i
ving. To ch
a
,
or attachin
g
T
WIST TH
E
cking ring o
n
½ turn, an
d
e port.
u
cer/charge
o
ck the
o
an electrica
s
indicated.
k
, the switc
h
s
will indicat
e
arger conne
c
f
ting the bat
t
t
ery charger
rge port for
d
W
ell maintai
n
ght seal.
Twist Lockin
g
CLOCKWISE
REMOVE Tra
n
Lockin
g
U
nit
a
rge
g
E
n
d
l
h
e
c
tor
t
ery
unit
d
irt,
n
ed
g
Rin
g
to
n
sducer
g
ring

Mad
e
7.
R
t
t
Bat
t
Eve
r
rech
a
tran
s
tran
s
pac
k
If t
h
man
u
oper
con
d
WH
A
UN
D
Bar
r
Sev
e
Wat
e
in w
a
is a
surf
a
ten f
e
Wa
v
wav
e
Bac
k
“bac
k
e
by Divers fo
r
R
eplace the
he locking
ransducer
m
t
ery Condi
t
r
y 3 to 6 m
o
a
rge the bat
t
s
ducer, the
s
ducer is re
m
k
is already c
h
is procedur
u
facturer, it
ating time
a
d
itioning.
A
T TO EX
P
D
ERWATE
r
iers to Tr
a
e
ral factors c
e
r density.
S
a
ter density,
layer of w
a
a
ce; it has a
e
et.)
Importan
t
possible
f
with diver
s
is for the
then can
r
In the sa
m
be lower
e
floor.
v
e action or
e
action at th
k
ground n
o
k
ground” no
r
Divers
transducer
i
ring anti-cl
m
ust be fully
s
t
ioning
o
nths it is im
t
ery in the b
e
n turning
O
m
oved so th
a
lose to full d
i
e is not f
o
is possible
a
s it will b
P
ECT WH
E
R
a
nsmission
an be barrie
r
S
ound trans
m
most typica
a
ter located
markedly di
f
t
!: It must
b
f
or a diver o
s
under the
first diver t
o
r
eliable com
m
m
e way, the
S
e
d below th
e
sea floor.
S
e surface, o
r
o
ise. Sound
ise, which i
s
16
nto the tran
ockwise by
s
eated on, a
n
portant to f
u
e
lt pack. Th
i
O
N the belt
a
t the belt pa
c
i
scharge.
o
llowed the
n
that the ba
t
e undergoi
n
E
N COMM
U
r
s to sound t
r
m
ission can
lly by the th
e
typically wi
f
ferent temp
e
b
e understo
o
ver the the
r
thermocline
.
o
move bel
o
m
unications
b
S
urface Tra
n
e
thermoclin
S
ound trans
r
by the sea
f
transmissio
n
s
generated
sducer/char
g
½ turn u
n
d locked to,
u
lly discharg
e
i
s is done b
y
pack for
3
c
k will turn
o
n
according
t
tery can de
n
g partial c
h
U
NICATIN
G
r
ansmission
be interrupt
e
e
rmocline. (
T
thin ten fe
e
e
rature than
t
o
d that it i
s
r
mocline to
c
.
The solutio
o
w the ther
m
b
e expected
.
n
sducer Exte
e, but not t
mission can
f
loor.
n
range can
by a rough
s
g
e port, rota
ntil tight. (
T
the base.)
e
and then
f
y
removing
3
6 hours.
T
o
n properly if
to the bat
t
velop a sh
o
h
arge/disch
a
G
in the water
.
e
d by a cha
T
he thermo
c
e
t of the oc
e
t
he water b
e
s
not alway
s
c
ommunicat
e
n, of course
m
ocline; onl
y
.
nsion shoul
d
o the ocea
n
be reduce
d
be reduce
d
s
ea, by rain
,
ting
T
he
f
ully
the
T
he
the
t
ery
o
rter
a
rge
.
n
ge
c
line
e
an
e
low
s
e
,
y
d
n
d
by
d
by
,
by

COM-UC-8-20 Diver Unit
17
biological noise such as a snapping shrimp, or by man-made noises
such as engines and high-speed propellers.
Body shadow. Long-range sound transmission can be affected by
the position of the diver’s body in relation to the DIVELINK
equipment. A range reduction can occur if the diver is in the line of
sight between his/her Communication Pack and that of another diver.
This effect is known as body shadow. It is caused by the absorption
of sound by air inside the diver’s dry suit, or by air in the diver’s lungs.
To prevent body shadow, the diver should turn 45° so that the line of
sight between the DIVELINK equipment is restored.
Factors not affecting sound transmission. On the positive side,
underwater sound transmission is not affected by muddy or turbid
water, and is equally good in fresh and salt water.
Range Considerations
In consideration of the barriers to sound transmission underwater
(see the section entitled Barriers to Transmission), use the following
guidelines for optimal range:
Dive below the thermocline.
Report the position of the thermocline to other divers and
surface personnel.
Stay away from the surface and away from the ocean floor for
best range.
Avoid trying to transmit through a solid object, such as a
ship’s hull or an underwater cliff. Attempting to do so causes
the sound transmission to be a product of reflections from the
surface, the ocean floor, or underwater objects.
Keep the Surface Transducer Extension away from the ocean
floor, and well under the thermocline (i.e., at least 20 feet [6
meters] down).
OPERATION
Turning the Unit On
To turn the unit on, turn the Power/Test/Channel switch from OFF,
past TEST, to a channel that matches the same channel of another
DIVELINK unit that will be communicated with.

Mad
e
Ch
a
Eig
h
The
The
freq
u
Swi
Posi
1
2
3
4
5
6
7
8
The
spe
c
e
by Divers fo
r
a
nnels
h
t Channel
S
Channel Co
d
8 channel
u
encies.
tch
tion Cha
n
Co
d
C
2
G
3
A
4
F
5
D
6
H
7
E
8
I
eight stand
a
c
trum as foll
o
Important
!
purpose of
in commer
c
they all c
a
channels.
D
r
Divers
S
tandard M
o
d
e will show:
8
model is
c
n
nel
d
e Detai
C
32768
G
32768
A
31250
31250
D
28500
28500
25000
25000
a
rd channel
o
ws:
!
Eight cha
n
being comp
a
c
ial use. Alt
h
a
nnot be us
e
D
oing so ca
n
18
o
del
8
c
omprised
o
l
Hz Upper Sideb
a
Hz Lower Sideb
a
Hz Upper Sideb
a
Hz Lower Sideb
a
Hz Upper Sideb
a
Hz Lower Sideb
a
Hz Upper Sideb
a
Hz Lower Sideb
a
s are distri
b
n
nel selectio
a
tible with o
t
h
ough there
a
e
d simultan
e
n
cause inter
f
o
f a predet
e
a
nd
a
nd
a
nd
a
nd
a
nd
a
nd
a
nd
a
nd
b
uted acros
s
ns are avai
t
her commo
n
a
re up to eig
h
e
ously as ei
g
f
erence amo
e
rmined se
t
s
the frequ
e
lable for th
e
n
frequencie
s
h
t selections
g
ht separat
e
ng channels
t
of
e
ncy
e
s
,
e
.

A
s c
a
over
l
sep
a
cha
n
inde
p
best
Rec
A
si
g
of th
e
Sen
A
tr
a
Ear
p
Ope
r
Ear
p
Ear
p
Tal
k
Whe
tran
s
This
This
sinc
e
tran
s
Voic
e
allo
w
MA
I
Op
e
O-R
A
ll
O
to w
forei
g
may
a
n be dedu
c
l
ap and inte
r
a
rate chan
n
n
nels must b
p
endently c
o
combinatio
n
eiving Tra
n
g
nal from a d
e
Earphone/
ding Tran
s
a
nsmission
c
p
hone/Micro
p
r
ated mode
p
hone/Micro
p
p
hone/Micro
p
k
ing and R
e
n operating
s
mission by
s
alerts the li
s
also ensur
e
e
words b
e
s
mission as
e
-Operated
w
the previou
I
NTENAN
C
e
ning the C
Importan
t
service
p
SERVICI
N
voids war
r
ings
O
-rings shoul
hich they a
r
g
n material,
result in a fl
o
c
ed from the
r
fere with ch
a
n
els withou
t
e selected.
o
mmunicatin
g
n
is channel
C
n
smission
s
iver or surfa
c
M
icrophone
s
missions
t
c
an be sent
p
hone Harne
s
or Push-
T
p
hone Harn
e
p
hone Harne
s
e
ceiving P
r
in Voice-Op
s
peaking a
s
s
tener that a
t
e
s that the
v
e
ginning wit
h
these soun
d
transmissio
n
s transmissi
o
C
E
ommunic
a
t
!: Opening
t
p
rocedure
N
G . Any att
e
r
anty.
d be inspec
t
r
e attached.
as well as
c
o
oded/dama
g
19
chart above
,
a
nnel A. If
c
t
interferen
Three chan
g
groups of
d
C
, F and I;
C
s
c
e unit can
b
Harness.
t
o Divers
by speaking
s
s, which h
a
T
o-Talk mo
d
e
ss, see th
e
s
s .
r
otocol
erated Mod
e
s
hort “throw
a
t
ransmissio
n
v
oice activati
h
“sh”, “p”
d
s are nois
e
n
, wait one
o
n to compl
e
a
tor Pack
t
he Commu
n
only. See
e
mpt to op
e
t
ed before r
e
Inspect for
d
c
uts. Failure
t
g
ed unit and
COM-
U
,
for exampl
e
c
ommunicati
o
ce, then
n
nels are av
a
d
ivers) at an
C
hannel 1, 4
b
e heard fro
m
into the mi
c
a
s a lever th
a
d
e. For o
p
e
previous
e
, it is impo
r
a
way word”
n
is beginnin
g
on occurs a
or “t” will
e
only. Wh
e
second bef
o
e
te.
n
icator Pack
the secti
o
e
n the pack
e
assembling
d
irt, fiber, h
a
t
o properly
m
voids warra
n
U
C-8-20 Diver
e
, channel C
o
n is desire
d
n
on-overlap
p
a
ilable (for t
h
y one time.
T
and 8.
m
the earpho
c
rophone of
a
t selects Vo
p
eration of
section enti
r
tant to start
such as “aa
a
g
.
t the right ti
not activat
e
e
n replying
t
o
re speakin
g
is a factory
o
n entitled
by yourself
any compo
n
a
ir or any o
t
m
aintain O-ri
n
ty.
U
nit
will
d
on
p
ing
h
ree
T
he
nes
the
ice-
the
tled
the
a
h”.
me,
e
a
t
o a
g
to
n
ent
t
her
ngs

Made by Divers for Divers
20
Caution: If the O-ring is damaged and requires
replacement, do not remove it using a sharp metal
instrument; doing so will scratch the O-ring seating
surface. Instead, use a softer instrument, such as a
wooden toothpick.
If you remove an O-ring, inspect the seating surface on which it rests
for foreign material, and clean if necessary. Note that for each O-ring,
there are two seating surfaces, which are joined by the O-ring
connection. Before inserting a new O-ring, apply a suitable grease to
it, such as Dow Corning® 4 Electrical Insulating Compound.
When ordering O-rings, specify Part Number ORG-06.
Cables
All cables should be kept free of cuts. If damaged, the assembly or
cable should be replaced. Use of plastic strapping (“Quick-Tie”, Zap-
Strap”) can damage cables and cause leakage/corrosion and failure.
Use of these ties voids warranty.
Regular Maintenance of the Battery
Every 3 to 6 months it is important to fully discharge and then fully
recharge the battery in the belt pack. This is done by removing the
transducer, then turning ON the belt pack for 36 hours. The
transducer is removed so that the belt pack will turn on and remain in
receive mode if the pack is already close to full discharge.
If this procedure is not followed then according to the battery
manufacturer, it is possible that the battery can develop a shorter
operating time as it will be undergoing partial charge/discharge
conditioning.
It is also important to be aware that Nickel type batteries lose charge
over time. This is a phenomenon called “self discharge”. After a full
charge, after one day the pack will lose 10% charge, and every
month thereafter an additional 10% to 15% charge.