MFJ MFJ-121B User manual

MFJ-l2lBDua|RadioContro|ledC|ockwithAuto.Back|ight
Theunitworksonreceivingthetimeradiosignal.Thetimesignalisgenerated
UV
,f* US Atomic Ctoct itrictr is located
in Colorado.
TheAtomic Clock is
op"*r"o bytheUSDepafiment
of commerce's
Nationai
Institute
of standards
"ia i*n*f"ry. To enhance
eoodreceotion'
avoid phci4g {he unit n9ar
ielevision seri ;;GiTrleces cgmouten. or etectric devicesas tnae
GGilEiFill ioicrfcre thereceotion
of tedio signal'
Thedual
radio
controlled
wallclock
features:
I Dual clock:
twoclocks
inone
unit,
eachcan
be
operated
independently
lGMTtimezonewithDavLiehtSavingTime(DST)selectabletooFF
r Radio
confiolled
(ww'\rB) withautomatic
daylight
saving
timeadjustment
I Auto-Backlight.
in" aisptay
will belighted
for 8 hours
continuously
after
thisfunction
isactivated.
r Battery-lowindicator,
I Big
display
sho\r6
tune
inhour,
minute,
second
r nn4l*.display format
userselectable.
I Mounted on
wallorstanding
ondesktop
(with built-ineasel
stand).
When the battery power (for the auto-backlight) is low, the light will become
dim or there witi Ue
no backlight. If this is the case,
please
replace the batteries
(for the auto-backlight) with new ones.
Time radio sisnal recePtion
ffie the time sigrralautomatically, placethe AUTO-
RECEPTION SWITCH at "ON" position
IMPORTANT NOTE:
If the AUTo-RECEPTION SWITCH is placeat "oFF" position,the unit will
not start to receive time sigral automatically (manual reccption is still
available).
The unit will search for time radio signals automatically after baJtertes
are
iniiul.O,
if the
AUTO-RECEPTION
SwnCg is placed
ut:9N" position
Uri.i. Uln.ry
installation.
The
radiosignal
mark
on
theright
oftheupper
and
tower
Oisptay
willstart
pulsing
toshow
the
receiving
status'
lf time
signal
ls
received
inddecoded
suicessfulty,
the
time
will
be
updated
automatically'
Remark:
During
signal
reception,
if the
time
isset
manually,
reception
will
beterminated.
Since
theunit worksonreceiving
thetimeradiosignal,
there
may
belocations
that the sigral is weak and
lannot be properly received.Under such
circumstancE,
theradiosigrral
markwill disappear
to indicate
reception
failed'
Tryto rotate
the
unitorplice it in other
to941o1
to achieve
better
reception
and
re-start
reception
by pressingthe sET BUTTON once.
If frnally,
radiosignal
camotbe
reieived,iimeof Uottr
Clock1andclock
2 should
be
set
manually'
IMPORTANTNOTE:
Press
thesET BUTTON of CONTROLPANEL I will onlystart
themanual
reception
of Clock l. To startthe manual
reception,of
!gt9]ff t *d '
Clock2, please
presstheSETBUTION atbothCONTROL
PANEL I and
CONTROL
PANEL2.
Select
theanoroPriate
til4e
zone
ffi at CONTROLPANEL I andCONTROL
PANEL 2 to select
the appropriate
time zonefor Clock I and Clock 2
respectively
(Clock I and bto-ct Z can be set to a differenttime zone).
otherwise
theunitmaynotbeshowing
theconect
time If your
desire
time
zone
isnoton
the
dispiay
map youmust
setthe
time
manually.
See
"manual
timesetting"
instruction
below.
Davlisht
savine
time
adiustment
ffiing timeautomatically
after
successful
time
signal
reception,
if t6" fjSf ON OFFSW1TCH
is placedat "ON'.position.
Whenthe
timeisshown
as
daylight
saving
time,thedaylight
saving
timemark
will beshown.
To deactivate
this function, place the DsT ON OFF SWiTcH at "oFF"
position,
andthe
unitwill notbeadjusted
todaylight
saving
time
automatically'
if youselected
the
GMT timezone
theDSTSwitch
should
be
placed
at
OFF.
Note:
Please
place
ttre
DSTON OFFSWITCHatbothCoNTROL PANEL I and
CONTROL
PANEL2 atthe
appropriate
position.
Select
thel2-Hour snd24-Hour
disolav
fo.fr,nat.
L I and
CONTROL
PANEL
2 to select
thedisplay
formatof thetime(clock I and
clock 2 can
beset
to a
different
display
format).
Set
thetime
manuallv
Tosetthe
ttme
ofClockI ;
press
andhold the sET BUTTON (at CONTROL
PANEL l) for about
2
seconds
The
timedigit
wrllstart toflash
Pressthe A or V BUTTON to setthe tune.Each
push
of the A or V
BUTION wrll advance
theminute
byone,
whilethe
hour
will be
updated
when
,.00"
minute
isrun
through.Press
and
hold
theA or v BUTTON
and
the
digits
will fast
advance.
After
setting,
presstheSET
BUTTON
once
toend
thesetting
mode,
or
theunlt
will quit the sening
modeautomatically
after
theunit is idle for about
30
seconds.
Tosetthe
nmeofClock
2:
Press
and hold the sET BUTION (at CONTROL PANEL 2) for about2
seconds.
The
time
digit
will start
toflash.
Thesetting
metirod
isthesame
as
Clockl.
TheAuto-Backlieht
when theAutosacklight functionisactivated,
the
display
will belighted
fbr E
hours
continuously.
TJ setthe starting
time of activating
theAuto-Backlight,
placethe ALryO LIGHT SWITCH "i "SET" position.
Thehour andminute
digits
atClock
I will flash.
prissthe A or V BUT1ON to set
thestarting
time.Each
pushof the A or V
BUTTONwill advance
theminute
byone,
whilettre
hour
will be
updated
when
"00"minute
is
runthrough.
Pressand
hold
theA or V BUTTON
andthe
digits
will fastadvance.
After setting,
place
theAlrro LIGHT SWTICH at "oN" position
to activate
the function,
or place
at "oFF' position
to quit the setting
mode
(without
acttvating
the
function).
clocK 2
BATTERYCOMPARTMENT
FOR
CLOCK CONTROL
PANTL
I (f
uKLLULr\
r.'
Battervinstallation
andreplacement
ffiinses, plecas
of AA batteries
(orequivalent)
for running
theclock
and
2 pieces
of AA batteries
for theAuto-backlight
function.
There
are
two battery
compartrnents,
located
at the back of the unit. The left one is the banery
comparEnent
for theclock
and
theright oneis thebattery
compartment
forthe
auto-backlight.
Please
usealkalinebaneries.
To install the batteries,
slideopenthe battery
coverandinsert
thebafferies
by following the polaritymarked.
After battery
installation
(fortheclock), please
press
theRESE-I
BUTTONonce
to initialize
the
unit.
Nowclose
thebanery
covenandthe
unitisready
foruse.
MPORTA}TTNOTES:
l. The two separated
banerycompartrnents
allow the clock to run even
withoutthe
battenes
forauto-backlight.
2. If thebanenes
for auto.backlight
runoutof power
(ornotinstalled),
the
backlight
funcrion
will stop(no backlight).
Undersuch
case,
theclock
will still workas
usual
andkeep
thetimeaccurate
when the battery
power(for running the clock) is low, the "Battery-Low"
indicator
will beflashing
to remindtheuser.
If this is thecase,
please
replace
thebatteries
(for
the
clock)
withnewones.
CoNTROLPANEL I (FOR CLOCK 1) BATTERY
COMPARTMENT
FOR
CONTROL
PANEL
?(FOR
CLOCK
2)

12
MOI{TH LIMITED
WARRANTY
MFJ Enterprises,
Inc.Warrants
to theoriginal owner
of thisproduct,
if manufactured
by MFJ Enterprises,
Inc. andpurchasedfrom anauthorized dealer
or
directly from MFJ Enterprises,
Inc.to befreefrom
defects
in material
and
workmanship
for aperiodof
12months
from date
of purchaseprovidedthe
following terms
of thiswarranty
aresatisfied.
1. Thepurchasermustretain
thedated
proof-of-
purchase
(bill of sale,
canceled
check,
creditcard
or moneyorder
receipt,
etc.)describing
the
productto establish the validity of the warranty
claim andsubmit
theoriginalor machine
reproductionof such
proof-of-purchase
to MFJ
Enterprises,Inc.atthetimeof warrantyservice.
MFJ Enterprises,
Inc. shallhave
the discretion
to
denywarranty without dated
proof-of-purchase.
Any evidence
of alteration,erasure,
or forgery
shallbe cause
to void anyandall warranty terms
immediately.
2, MFJ Enterprises,
Inc. agreesto repair
or replace
at
MFJ's optionwithout charge
to theoriginal owner
anydefectiveproductunderwarranty, provided
theproduct is returned
postage
prepaidto MFJ
Enterprises,
lnc. with apersonal
check;cashiers
check,
or money
orderfor $7.00
covering
postage
andhandling.
3. MFJ Enterprises,
Inc.will supply
replacement
partsfree of chargefor anyMFJ product under
warranty uponrequest. A dated
proof-of-
purchase
anda$7,00
personal
check,cashiers
check,
ormoneyorder
must,be
providedto cover
postage
andhandling.
4. This warranty isNOT void for ownerswho
attemptto repairdefectiveunits. Technical
consultationis available
by calling(662) 323-
5869.
5. This warranty doesnot applyto kits soldby or
manufacturedby l\,{FJ
Enterprises,
Inc.
Wired and
tested
PCboard
products
arecovered
by this warrantyprovided only the wired and
tested
PCboard
product
isreturned.Wired and
testedPCboards
installedin theowner'scabinet
or connected
to switches,
jacks,or cables,
etc.
sent
to MFJ Enterprises,
Inc.will be
returned
at
theowner'sexpenseun-repaired.
Undernocircumstances
isMFJ Enterprises,
Inc.
liablefor consequential
damages
to person
or
property
by theuseof anyMFJ products.
Out-of-warranty
Service
:MFJ Enterpri
ses,
Inc.
will repair
anyout-of-warranty
product
provided
theunit isshipped
prepaid.All repaired
unitswill
beshipped
CODto theowner. Repair
charges
will beaddedto theCOD feeunless
other
arrangements
aremade.
This warranty is given in lieu of anyother
warrantyexpressed
or implied.
MFJ Enterprises,
Inc.reserves
theright to make
changes
or improvements
in design
or
manufacture
without incurring anyobligation to
install such
changesupon anyof the products
previously
manufactured.
All MFJ products
to beserviced
in-warranty
or
out-of-wanantyshould
beaddressed
to MFJ
Enterprises,
Inc.,300
IndustrialPark
Road,
Starkville,
Mississippi39759,
USA and
must
be
accompanied
by aletter
describing
theproblem
in
detailalong
with acopyof your dated
proof-of-
purchase.
12.This
warranty
gives
you
specific
rights,
and
you
may
alsohaveother
rights
whichvaryfromstate
to state.
6.
7.
8.
9,
10.
11.