Instrukcja obsługi ICOM AH-4

ICOM radio AH-4

Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla ICOM AH-4 (2 stron) w kategorii radio. Ta instrukcja była pomocna dla 9 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

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1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan A-8295H-1EX- Printed in Japanw

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.

 •Whentheantennacannotbetuned,“ ” 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

•Frequencyrange :3.5–54MHz(withanantennalonger

than 7 m; 23 ft)

7–54MHz(withtheAH-2b)

•Maximuminputpower :120W

•Inputimpedance :50Ω

•Tuningpowerrequired :5to15watts

•Ratedvoltage  :13.8VDC±15%

(current less than 1 A)

•Usabletemperaturerange :–10°Cto+60°C(+14°Fto+140°F)

•VSWR  :2.0:1orless(exceptantennasa

one half wave or multiple of a one

half wave in length)

•Weight(approximately) :1.2kg(2.65lb)

•Dimensions  :172(W) 69.5(H) 230(D)mm× ×

(projectionsnotincluded)  ;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

ShieldedcontrolcablehelpsprotectthetransceiverfromRFfeed-

backandextendsseparationbetweentunerandtransceiverupto

10 m. (cable length 10 m; 32.8 ft)

•AH-2b antenna element

A2.5mlongantennaelementformobileoperationwithAH-4.Fre-

quencycoverage:7–54MHzwiththeAH-4.

SPECIFICATIONS AND OPTIONS

U-bolts q ………………………………………………………2

U-bolt brackets w ……………………………………………2

Flatwashers(M6large) e ……………………………………8

Flatwashers(M6small) r ……………………………………4

Springwashers(M6) t ………………………………………8

Nuts(M6) y ……………………………………………………8

Hexheadbolts(M6 u× 50) …………………………………4

Self-tappingscrews(A06 i× 30) …………………………4

PL-259 connectors o …………………………………………2

!0Weatherproofcap …………………………………………1

!1Rubbervulcanizingtape …………………………………1

Controlcable*(5m;16.4ft) …………………………………1

Coaxialcable*(5D-2V:5m;16.4ft) …………………………1

*Not shown in the illustration to the left.

INSTRUCTIONS

HF+50MHzAUTOMATICANTENNATUNER

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–

54MHz),ortheoptionalAH-2b(7–54MHz).

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.

NEVERtransmitortunewithoutanantennaconnected.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 ❍

 TheAH-4providesreliablematchingfrom3.5MHzto54MHz

whenusingatleasta7m(23ft)antenna;or7MHzto54MHz

when using the AH-2b .antenna element

AUTOMATIC DIGITAL CONTROL TUNING ❍

 Thebuilt-in8-bitmicroprocessorchoosesthelowestSWRusing

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-

maticallymemorized.Onceafrequencyismemorized,theAH-4

tunes on that frequency in less than 1 second. Note that the AH-4

doesnotmemorizeafrequencywhichisnormallytunedwithin2.5

seconds.Memoriesareretainedonlywhenthepowerison.

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 ❍

 Radiatedpowerduringtuningislessthan0.3W,minimizinginter-

ference to other stations.

✍ NOTE:

 TheAH-4canbeusedwithmostofIcomHFtransceiver,

whichcoversHFthrough50MHzbands.

 However,theIC-706andIC-736canonlybetunedinthe

3.5–30MHzrange.

FEATURES

SUPPLIED ACCESSORIES

Ground terminal

Mounting plate

o !0

CALCULATION OF UNDESIRABLE ANTENNA LENGTHS

Length of

half wave (½ )λ=300 ×1

Operatingfrequency(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+longwire

AH-2b

antenna element kit (op-

tional)

Long wire

✍ NOTE:Afterinsertingthecoaxialcablethroughthewater-

proof cap and into the AH-4 top cover, solder the PL-259

connectortothecoaxialcable.

Removethetopcover(Fig.1). q

Installthecontrolcableandcoaxialcable(Fig.1). w

ConnectandsolderthePL-259connectortothecoaxial e

cable(Fig.3).

ConnectthecontrolcabletotheAH-4(Fig.2-1). r

ConnecttheGNDcabletotheAH-4(Fig.4). t

Replace the top cover. y

Mount the AH-4 in the desired location; on an antenna u

pole,inyourvehicle’strunk,andsoon.(Fig.5).

ConnectanantennatotheAH-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

(10 mm ≈3⁄ in)8

Slidethecouplingringoverthecoaxialcable.Carefully q

cut only the cable jacket, and pull it out to reveal 10 mm

(0.4 in) of braid.

 •Tintheexposedbraidandthenpullthejacketout.

Strip the cable, as shown to the left. Tin the entire length w

oftheexposedcenterconductor.

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.

Installthecoaxialcablethroughthetopcovercableclamp. e

Insert the control cable through the bottom cover cable clamp. r

Afterconnectingthecoaxialcableandcontrolcables,tightenthecable t

clamp screws.

NOTE:

 •Makesurethecableclampsarewelltightenedwiththescrews,oth-

erwise the waterproof protection may not be guaranteed.

 •Werecommendthatyoualsowraprubbervulcanizingtapeorelectri-

cal tape over the cable clamps for better waterproofing.

NOTE:

 Whenattachingthetunercover,makesuredustorothermaterialdoes

not adhere to the rubber seal. If dust or other material is on the seal

when attaching, waterproof protection may not be guaranteed.

 Makesuretherubbersealisproperlyseatedintothegroove.

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)

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.

 •Beforeyoutightenthewingnut,makesurethebasenutis

firmly tightened.

 •Afteryoutightenthewingnut,carefullybendthewireterminal

up so the wire lines up with the insulator.

Place the weatherproof cap over as much of the insulator w

as possible.

Wraptheinsulatorwiththerubbervulcanizingtape,start- e

ing at its bottom, then the cap, and finally the antenna

wire.

This will help prevent water seepage.

 •Also,youmaywrapelectricaltapeoverthewrappedrubber

vulcanizingtapeforbetterwaterproofing.

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,RFfeedbackandelectricalshocksfromother

equipment could also occur.

Forbestresults,usetheheaviestgaugewireorstrapavail-

able, and make the connection as short as possible. (see

the illustration to the right)

•AlongwireconnectedtotheGNDterminalasacounterpoiseis

also acceptable.

Copper pipe Metal object Copper screen

To the AH-4 GND terminal

✍ NOTE:Connectthecoaxialcabletotheappropriateantenna

connector if the transceiver has more than one.

See your transceiver’s instruction manual for details.

Specyfikacje produktu

Marka:	ICOM
Kategoria:	radio
Model:	AH-4

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