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Automatic-Matching 100-Memory Antenna Tuner
100 Match-Point Data Memories
Automatic Matching for FT-897/857 Series Transceivers
The FC-40 is a microprocessor-controlled antenna impedance matching network designed to provide all-amateur-band transmitting capability with the FT-897/857 Series of transceivers, when used with an end-fed random wire or long whip antenna. The FC-40 makes use of the control circuitry built into the transceiver, which allows the operator to control and monitor automatic operation of the FC-40, which mounts near the antenna feedpoint. The FC-40 uses specially-selected, thermallystable components, and is housed in a waterproof case to withstand severe environmental conditions with high reliability. A carefully-chosen combination of solid-state switching components and high-speed relays allows the FC40 to match a wide variety of antennas to within a 2:1 SWR on any amateur band frequency (160 through 5 meters), typically in less than ten seconds. Transmitter power required for matching may be as little as 4 - 60 Watts, and matching settings are automatically stored in memory for instant recall when the same frequency range is selected later.

WATER PROOF

COMPACT SIZE
9.4" x 7" x 2.1" 236 x 175 x 53 mm
The FC-40 requires only two (supplied) interconnections to your FT-897/857 Transceiver: a coaxial RF cable and a data/control cable. All required power is supplied from the transceiver, and then you just connect your antenna and ground leads for instant operation on your favorite band!

Control Cable (5 m)

FT-897D

Coaxial Cable (5 m)

Rugged, low-loss components are employed throughout the FC-40, to ensure reliable operation for many years in a wide range of environmental situations. The high-Q matching network ensures the efficient transfer of power to the antenna radiating element, with the convenience of instant band change thanks to the microprocessor control circuitry.
Specifications Operating Frequency Range: 1.8 - 54 MHz with 20+ m end-fed wire, 7 - 54 MHz with YA-007 HF 2.5 m Mobile Whip Antenna Input Impedance: 50-Ohms Maximum Power: 100 Watts Matched SWR: 2.0:1 or less (if antenna is not a multiple of 1/2 ) Tune-up Power: 4 W ~ 60 W Tune-up Time: 10 seconds maximum Impedance Matching Memories: 100 channels Power supply: 13.8 V DC 15% (supplied from transceiver) Case Size (WHD): 9.4" x 7" x 2.1" (236 x 175 x 53 mm) Weight: 2.6 lbs. (1.2 kg)
About this brochure: we have made this brochure as comprehensive and factual as possible. We reserve the right, however, to make changes at any time in equipment, optional accessories, specifications, model numbers, and availability. Precise frequency range may be different in some countries. Some accessories shown herein may not be available in some countries. Some information may have been updated since the time of printing; please check with your Authorized Yaesu Dealer for complete details.
VERTEX STANDARD CO., LTD.
4-8-8 Nakameguro, Meguro-ku, Tokyo 153-8644, Japan
VERTEX STANDARD YAESU EUROPE B.V.
For the latest Yaesu news,visit us on the Internet:
US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A.
http://www.vxstdusa.com Email: amateursales@vxstdusa.com Phone 714/827-7600; Fax 714/827-8100

http://www.vxstd.com

P.O. Box 75525, 1118 ZN Schiphol, The Netherlands

YAESU UK LTD.

http://www.yaesu.co.uk Email: sales@yaesu.co.uk
Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

2004.0505NA Printed in Japan

http://www.vxstd.com.hk

Unit 5, 20 /F., Seaview Centre, 139-141 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong

Interconnections to FT-897D and FT-857D
After mounting, connect the cables from the FC-40 to the ANT and TUNER jacks on the rear panel of the FT-897D/-857D Transceiver.

FC-40 Circuit Diagram

Automatic-Matching 200-Memory Antenna Tuner
FC-40 Installation Instructions
Thank you for your purchase of the model FC-40 Automatic-Matching 200-Memory Antenna Tuner. The FC-40 microprocessor controlled antenna impedance matching network is designed to provide wideband transmitting capability for many Vertex Standard / Yaesu transceivers , when used with an end-fed random wire or long whip antenna. The FC-40 makes use of the control circuitry built into the transceiver, which allows the operator to control and monitor automatic operation of the FC-40, which mounts near the antenna feedpoint. The FC-40 uses specially -selected, thermally-stable components, and is housed in a waterproof case to withstand severe environmental conditions with high reliability.

Antenna Terminal

Coaxial Cable (5m)

FT-897D

HF/50 MHz ANT Jack GND
A carefully-chosen combination of solid-state switching components and high-speed relays allows the FC-40 to match a wide variety of antennas to within a 2:1 SWR on 1.6 - 54 MHz, typically in less than eight seconds. Transmitter power required for matching may be as little as 4 - 60 Watts, and matching settings are automatically stored in memory for instant recall when the same frequency range is selected later. The FC-40 is a current feed design and may not be able to match frequencies that are near 1/2 wavelength (or multiple) of the antenna element. : Check with your Vertex Standard /Yaesu dealer for a list of current transceivers that may be used with the FC-40 Antenna Tuner.

CAT/LINEAR Jack

Specifications
Operating Frequency Range:
Wrap the ends of the waterproof cap with supplied sealing tape to protect against
Install supplied ferrite core as close to connector as possible.

Control Cable (5m)

moisture ingress.
Input Impedance: Maximum Input Power: Matched SWR: Tune-up Power: Tune-up Time: Impedance Matching Memories: Power supply: Case Size (WHD): Weight:
1.6 - 54 MHz with 20+ m end-fed wire 7 - 54 MHz with YA-007 HF 2.5 m Mobile Whip Antenna 50 Ohms 100 W (3 minutes maximum continuous TX) 2.0:1 or less (if antenna is not near a multiple of /2 ) 4 - 60 W 8 seconds maximum 200 channels 13.8V DC15% (supplied from transceiver) 9 x 7 x 2.1 (228 x 175 x 55 mm) 2.6 lbs. (1.2kg)
Specifications subject to change without notice of obligation.

FT-857D

Supplied Accessories
Control Cable 5m... 1 Coaxial Cable (5D-2V) 5m... 1 Sealing Tape 50cm... 1 Ferrite Core... 1 U-bolt Kit U-bolts.... 2 Plate... 2 Washers (FW6)... 4 Spring washers (SW6).. 4 Nuts (N6).. 4 Machine Screws, Nuts & Washers (set) Screws (5 x 20)... 4 Screws (M5 x 20).. 4 Outer washer (OW5).. 4 Washers (FW5)... 8 Nuts (N5).. 4

HF/50 MHz ANT Jack

4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
VERTEX STANDARD CO., LTD.

VERTEX STANDARD

Wrap the ends of the waterproof cap with supplied sealing tape to protect against moisture ingress.
US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A.

YAESU UK LTD.

Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong

E A D X 1

VERTEX STANDARD (AUSTRALIA) PTY., LTD.
Normanby Business Park, Unit 14/45 Normanby Road Notting Hill 3168, Victoria, Australia

Mounting the FC-40

The mounting method for the FC-40 is determined by the antenna type and station location. In all installations, however, the FC-40 must be located at the intended feedpoint for the antenna. The drawings below show examples of placement of the FC-40 in typical mounting locations. Following are several important considerations to bear in mind during installation: The side of the FC-40 with the cables extruding is oriented downward (to minimize the chance of water leakage through the cable holes). The grounding wire (for monopoles) and part(s) of the antenna wire between the tuner terminals and the nearest antenna support should be as short as possible. The antenna must not touch anything except supporting insulators. If there is any chance of stress on the cables to the transceiver, they should be supported independently, with a slack loop between their support and the FC-40. For base stations, the FC-40 may be mounted either on a flat surface such as the wooden board shown in Figure 1, or a 2.16 - 2.55 (55-65 mm) mast, using the supplied U-bolt kit shown in Figure 2. For mobile installations, the FC-40 should be bolted to a flat surface using either bolts or self-tapping screws (Figure 3) inside the trunk or cabin, as close to the base of the antenna as possible. Note that it can be mounted horizontally if well protected from the weather. After mounting the FC-40, connect the cables from the FC-40 to the ANT and TUNER (or CAT/LINEAR) jacks (depends on the transceiver) on the rear panel of the transceiver. Refer to the transceivers Operating Manual for details of the interconnections with the transceiver. If you use the FC-40 with the Yaesu FT-857D/-897D transceiver, refer to the instructions on the opposite page of this manual for interconnection details.

Screw (5x20) Outer washer (OW5) Screw (5x20) Outer washer (OW5) Washer (FW5) Nut (N6) Spring washers (SW6) Washer (FW6) Washer (FW5)

Tuner Operation

Please see your transceivers Operating Manual for operation with the FC-40 Tuner. See the instructions at the right side of this page for operation of the FC-40 with FT-857/-897 transceivers.
FT-857D/-897D Tuner Operation
1. Press and hold in the F ( FUNC ) key for one second to activate the Menu mode. 2. Rotate the MEM/VFO CH (FT-857D: SELECT ) knob to recall Menu Mode No-001 [EXT MENU], then rotate the DIAL to change the setting to ON to enable the extended Menu ON ON Mode. 3. Rotate the MEM/VFO CH (FT-857D: SELECT ) knob to recall Menu Mode No-020 [CAT LIN TUN]. The default setCAT/LIN LIN/TUN ting for this Menu is CAT Rotate the DIAL to change the CAT. CAT setting to TUNER TUNER. TUNER 4. Press and hold in the F ( FUNC ) key for one second to save the new setting and exit, then turn the transceiver off. 5. Set up the FC-40 and FT-897D/-857D per the illustration on the opposite page of this manual, then turn on the transceivers power again. Do not set up the FC-40 and FT-897D/-857D before changing the Menu Mode, item No-020 [CAT/LIN/TUN]. 6. Press and hold in the F ( FUNC ) key for one second to activate the Menu mode. 7. Rotate the MEM/VFO CH (FT-857D: SELECT ) knob to recall Menu Mode No-085 [TUNER ATAS]. The default setting for TUNER/ATAS this Menu is OFF Rotate the DIAL to change the setting to OFF. OFF TUNER TUNER. TUNER 8. Press and hold in the F ( FUNC ) key for one second to save the new setting and exit. 9. Press the F ( FUNC ) key, as needed, to recall Multi Function Row k [TUNE DOWN UP]. TUNE, DOWN, 10. Press the [A](TUNE) key to turn the FC-40 on. Parentheses will appear on both sides of the TUNE indication, and TUNE TUNE TUNR will appear on the LCD.

MEM/VFO CH

BAT T-A

BAT T-B

Microprocessor Resetting
By changing the configuration of an internal DIP switch, the microprocessor in the FC-40 may be reset. Do this in the event of erratic operation of the tuner, or to clear the tuners memories. Clearing Memory
1. Turn off the transceiver. 2. Remove the 8 screws affixing the case of the FC-40, then remove the case. 3. Turn the 4th switch of S1003 to on. 4. Turn on the transceiver. 5. D1002 will glow green briefly, then turn off. This confirms the resetting of the microprocessor. 6. Return the 4th switch of S1003 to off. 7. Turn off the transceiver again. 8. Replace the case, using the 8 screws removed in step (2) above.

SELECT

4th Switch

IMPORTANT!

The FC-40, working in concert with the FT-897D/-857D transceiver, can store impedance matching data in its micro-computer memory, so as to provide instant adjustment as you transmit in different areas of a particular band. A total of 200 memories are provided, with the capability to resolve new tuning data every 10 kHz. A few guidelines should be noted regarding the FC40s memory system: Tuning data is stored when you make an active effort to store it by pressing and holding in the [A](TUNE) key for one second. Although the tuner will automatically activate itself if it encounters more than 2:1 SWR, this memory will not be stored unless you have pressed the [A](TUNE) key for one second. This allows you to store your favorite operating frequency areas into tuner memory without tying up memory space with matching data on seldom-used frequencies. If the FC-40 cannot resolve a satisfactory match because the SWR is above 2:1), the tuning process will stop, and no memory data will be stored. However, you may wish to move frequency a few kHz, then press the [A](TUNE) key again for one second, as slight changes in the reactance may allow a match to be obtained. Then go back to the original frequency and try again. If the impedance encountered by the FC-40 exceeds 2:1, and the HSWR icon is illuminated, the microprocessor will not retain the tuning data for that frequency, as the FC-40 presumes that you will want to adjust or repair your antenna system so as to correct the high SWR condition.
Washer (FW5) Outer washer (OW5) Nut (N5)

Screw (M5x20) Nut (N5)

Figure 1

Figure 2

Figure 3

Cautions

Please note the default positions of the internal DIP switch components. All switches, except for the 4th switch of S1003, are for factory setup use only, and they should not be touched. If you accidentally set a switch to the wrong position, please refer to the table below to correct the situation. Only connect cables to the FC-40 after switching the transceiver off. If the FC-40 doesnt tune even though you have pushed the TUNER switch of the transceiver, it may be because the antenna or its coaxial cable has a serious problem (very high or low impedance due to open or short) or (the antenna element is near 1/2 wavelength or multiple of the desired frequency). Please check the antenna and coax if this happens. Take appropriate measures to ensure that there is no possibility that someone may come in contact with the antenna or FC-40 ANT terminal while your station is transmitting. Observe all practical and regulatory requirements for protecting yourself and the public from the effects of radio frequency radiation from your antenna system.

FT-897D TUNR

GND Lug

S1002 No. Switch OFF OFF

S1003 No. Switch OFF OFF OFF OFF No. Switch ON ON OFF OFF
11. Press and hold in the [A](TUNE) key to initiate automatic tuning. The FT-897D/-857D transmitter will be activated, a carrier signal will be sent out, and the coils and capacitors in the FC-40 will be selected/adjusted for optimum SWR. When tuning is complete, the transmission will cease, and you will be ready for operation on this frequency. Tuning data will be stored in the FC-40s Memory system. See the discussion below for details on how this works. If using the FC-40 with the FT-897D under internal battery (FNB-78) power, the FC-40 may not operate properly if the battery voltage is low.

Earth Ground

Ground to Engine/Chassis
Ground to Engine Block/Keel

L Wire Monopole

Car Mobile

Ship Mobile