Icom AH-4 Handleiding
Lees hieronder de 📖 handleiding in het Nederlandse voor Icom AH-4 (2 pagina's) in de categorie Radio. Deze handleiding was nuttig voor 48 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan A-8295H-1EX- Printed in Japanw
© 1997–2012 Icom Inc.
Tuning is required for each frequency. Be sure to retune
the antenna before transmitting when you change the fre-
quency— even slightly.
(eg. IC-7000)
Set the desired frequency in an amateur band. q
•The AH-4 will not operate on frequencies outside of ham
bands.
Hold down [TUNER/CALL] for 1 seconds. w
•“ ” indicator appears while tuning.
Hold down [TUNER/CALL] for 1 second.
“ e ” indicator stays ON when tuning is complete.
•Whentheantennacannotbetuned,“ ” indicator blinks,
and the AH-4 is bypassed and the antenna is directly connected
to the antenna connector on the transceiver.
To manually bypass the AH-4, push [TUNER/CALL]. r
OPERATION
Specifications D
•Frequencyrange :3.5–54MHz(withanantennalonger
than 7 m; 23 ft)
7–54MHz(withtheAH-2b)
•Maximuminputpower :120W
•Inputimpedance :50Ω
•Tuningpowerrequired :5to15watts
•Ratedvoltage :13.8VDC±15%
(current less than 1 A)
•Usabletemperaturerange :–10°Cto+60°C(+14°Fto+140°F)
•VSWR :2.0:1orless(exceptantennasa
one half wave or multiple of a one
half wave in length)
•Weight(approximately) :1.2kg(2.65lb)
•Dimensions :172(W) 69.5(H) 230(D)mm× ×
(projectionsnotincluded) ;6.8(W) 9.1(D)inches× × 2.7(H)
All specifications are subject to change without notice or obligation.
Options D
•OPC-420 shielded control cable
ShieldedcontrolcablehelpsprotectthetransceiverfromRFfeed-
backandextendsseparationbetweentunerandtransceiverupto
10 m. (cable length 10 m; 32.8 ft)
•AH-2b antenna element
A2.5mlongantennaelementformobileoperationwithAH-4.Fre-
quencycoverage:7–54MHzwiththeAH-4.
SPECIFICATIONS AND OPTIONS
U-bolts q ………………………………………………………2
U-bolt brackets w ……………………………………………2
Flatwashers(M6large) e ……………………………………8
Flatwashers(M6small) r ……………………………………4
Springwashers(M6) t ………………………………………8
Nuts(M6) y ……………………………………………………8
Hexheadbolts(M6 u× 50) …………………………………4
Self-tappingscrews(A06 i× 30) …………………………4
PL-259 connectors o …………………………………………2
!0Weatherproofcap …………………………………………1
!1Rubbervulcanizingtape …………………………………1
Controlcable*(5m;16.4ft) …………………………………1
Coaxialcable*(5D-2V:5m;16.4ft) …………………………1
*Not shown in the illustration to the left.
INSTRUCTIONS
HF+50MHzAUTOMATICANTENNATUNER
AH-4
Thank you for purchasing the AH-4 HF + 50 MHz AU-
TOMATIC ANTENNA TUNER. The AH-4 matches your
transceiver to an antenna more than 7 m/23 ft long (3.5–
54MHz),ortheoptionalAH-2b(7–54MHz).
Please read these instructions thoroughly before installing
and operating the AH-4.
RNEVER operate this tuner without a solid ground. Always
connect the ground wire to the ground terminal. DO NOT use
the mounting plate as a ground terminal.
NEVERtransmitortunewithoutanantennaconnected.Fail-
ure to use an antenna will damage the tuner.
RHIGH VOLTAGE! NEVER touch the antenna while trans-
mitting or tuning. Place the antenna in a position where you
are sure it will not be touched.
DANGER!
WIDE TUNING RANGE ❍
TheAH-4providesreliablematchingfrom3.5MHzto54MHz
whenusingatleasta7m(23ft)antenna;or7MHzto54MHz
when using the AH-2b .antenna element
AUTOMATIC DIGITAL CONTROL TUNING ❍
Thebuilt-in8-bitmicroprocessorchoosesthelowestSWRusing
more than 1,040,000 different LC (coil/capacitor) combinations.
45 FREQUENCY MEMORIES FOR FAST TUNING ❍
The LC combinations of 45 previously-used frequencies are auto-
maticallymemorized.Onceafrequencyismemorized,theAH-4
tunes on that frequency in less than 1 second. Note that the AH-4
doesnotmemorizeafrequencywhichisnormallytunedwithin2.5
seconds.Memoriesareretainedonlywhenthepowerison.
WEATHERPROOF DESIGN ❍
The AH-4’s tightly sealed plastic case allows convenient mount-
ing virtually anywhere. The AH-4 can be mounted outdoors under
your antenna.
0.3 W RADIATED POWER ❍
Radiatedpowerduringtuningislessthan0.3W,minimizinginter-
ference to other stations.
✍ NOTE:
TheAH-4canbeusedwithmostofIcomHFtransceiver,
whichcoversHFthrough50MHzbands.
However,theIC-706andIC-736canonlybetunedinthe
3.5–30MHzrange.
FEATURES
SUPPLIED ACCESSORIES
Ground terminal
Mounting plate
q
w
e
r
t
y
u
i
o !0
!1
CALCULATION OF UNDESIRABLE ANTENNA LENGTHS
Length of
half wave (½ )λ=300 ×1
Operatingfrequency(MHz) 2
[EXAMPLE]Antenna lengths to avoid when operating at 29.00
MHz
Multiple
of ½ λ=300 ×1×(1, 2, 3…) = 5.2, 10.3, 15.5 m
29 2
Fig.6 MOUNTING EXAMPLES
AH-2b+longwire
AH-2b
antenna element kit (op-
tional)
Long wire
Long wire
✍ NOTE:Afterinsertingthecoaxialcablethroughthewater-
proof cap and into the AH-4 top cover, solder the PL-259
connectortothecoaxialcable.
Removethetopcover(Fig.1). q
Installthecontrolcableandcoaxialcable(Fig.1). w
ConnectandsolderthePL-259connectortothecoaxial e
cable(Fig.3).
ConnectthecontrolcabletotheAH-4(Fig.2-1). r
ConnecttheGNDcabletotheAH-4(Fig.4). t
Replace the top cover. y
Mount the AH-4 in the desired location; on an antenna u
pole,inyourvehicle’strunk,andsoon.(Fig.5).
ConnectanantennatotheAH-4(Fig.6). i
Connect the control cable and the coaxial cable to the o
transceiver.
INSTALLATION
Fig. 2-1 CABLE CONNECTIONS (eg. IC-7000)
Fig. 3 PL-259 CONNECTOR SOLDERING
30 mm
10 mm (Tin)
10 mm
1–2 mm
solder solder
Tin
Coupling ngri
qe
r
w
(10 mm ≈3⁄ in)8
Slidethecouplingringoverthecoaxialcable.Carefully q
cut only the cable jacket, and pull it out to reveal 10 mm
(0.4 in) of braid.
•Tintheexposedbraidandthenpullthejacketout.
Strip the cable, as shown to the left. Tin the entire length w
oftheexposedcenterconductor.
Slide the connector body over the cable and solder, as e
shown to the left.
Screw the coupling ring onto the connector body. r
Fig. 5 MOUNTING THE AH-4
• Mounting on an antenna pole
• Mounting on a flat location
Using self-tapping screws Using nuts and bolts
Nut AH-4
Spring
washer
Flat
washer
Hex head
bolt Drill a hole here
(diameter 6.6–7 mm; : 1⁄ –49⁄ inches)32
Weatherproof cap
Using the supplied U-bolts
Fig. 1 COVER REMOVAL AND CABLE INSTALLATION
About the rubber seal
Remove the 8 screws from the top cover and remove the cover. q
Loosen the screws on both cable clamps. If desired, install a strain relief w
insert (supplied) corresponding to the diameter of the cable.
Installthecoaxialcablethroughthetopcovercableclamp. e
Insert the control cable through the bottom cover cable clamp. r
Afterconnectingthecoaxialcableandcontrolcables,tightenthecable t
clamp screws.
NOTE:
•Makesurethecableclampsarewelltightenedwiththescrews,oth-
erwise the waterproof protection may not be guaranteed.
•Werecommendthatyoualsowraprubbervulcanizingtapeorelectri-
cal tape over the cable clamps for better waterproofing.
NOTE:
Whenattachingthetunercover,makesuredustorothermaterialdoes
not adhere to the rubber seal. If dust or other material is on the seal
when attaching, waterproof protection may not be guaranteed.
Makesuretherubbersealisproperlyseatedintothegroove.
Strain relief
insert
Coaxial
cable
Rubber seal
Control
cable Cable
clamp
Bottom co rve Bottom co rve
Rubber seal
Groove
Correct position Incorrect position
Wing nut
Star washer
Crimp-on wire
terminal
Flat washer
Base nut
Insulator
Coaxial cable
IC-7000 rear panel
Control cable
Bottom
co rve
GND
Top co rve
PL-259
connector
Antenna element
AH-2b (optional)
J8
J2
Black (GND)
Red (DC13V)
White (START)
Green (KEY)
GND
+ See the Fig. 2-2 as shown to the right above.
Put the flat washer, crimp-on wire terminal, star washer q
and then wing nut on the base bolt. Then, tighten the
wing nut.
•Beforeyoutightenthewingnut,makesurethebasenutis
firmly tightened.
•Afteryoutightenthewingnut,carefullybendthewireterminal
up so the wire lines up with the insulator.
Place the weatherproof cap over as much of the insulator w
as possible.
Wraptheinsulatorwiththerubbervulcanizingtape,start- e
ing at its bottom, then the cap, and finally the antenna
wire.
This will help prevent water seepage.
•Also,youmaywrapelectricaltapeoverthewrappedrubber
vulcanizingtapeforbetterwaterproofing.
Fig. 2-2 Waterproofing the antenna connection
Carefully bend this
pa r t u p, A F T E R
y o u t i gh t e n t h e
wing nut.
Pull the tape to slightly
stretch it as you wrap
f i r m l y a r o u n d t h e
weatherproof cap.
Rubber vulcanizing tape
q w e
Insulator
Fig. 4 GROUND CONNECTIONS
The transceiver and antenna tuner must have an adequate
ground connection. Otherwise, the overall efficiency of the
transceiver and antenna tuner installation will be reduced.
Interference,RFfeedbackandelectricalshocksfromother
equipment could also occur.
Forbestresults,usetheheaviestgaugewireorstrapavail-
able, and make the connection as short as possible. (see
the illustration to the right)
•AlongwireconnectedtotheGNDterminalasacounterpoiseis
also acceptable.
Copper pipe Metal object Copper screen
To the AH-4 GND terminal
✍ NOTE:Connectthecoaxialcabletotheappropriateantenna
connector if the transceiver has more than one.
See your transceiver’s instruction manual for details.
Product specificaties
Merk: | Icom |
Categorie: | Radio |
Model: | AH-4 |
Kleur van het product: | Grijs |
Gewicht: | 1200 g |
Breedte: | 172 mm |
Diepte: | 230 mm |
Hoogte: | 69.5 mm |
Merkcompatibiliteit: | ICOM |
Aantal: | 1 |
Impedantie: | 50 Ohm |
Frequentie bereik: | 3.5 - 54 MHz |
Bedrijfstemperatuur (T-T): | -10 - 60 °C |
Nominaal vermogen: | 120 W |
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