icom_icex243_使用说明书手册

DICOMC-EX243ELECTRONIC KEYER UNITINSTRUCTIONSThank you for purchasing an optional IC-EX243 electronic keyer unit for your ICOM transceiver.This unit providesautomatic keying with an iambic paddle,and is built with a microprocessor chip.To fully enjoy the benefits of your high-performance transceiver with the IC-EX243,please read both these instruc-tions and the radio's instruction manual for the installation procedure.FEATURESWEIGHT CONTROL OPERATIONThe WEIGHT CONTROL R8 is turned fully counter-Featuresdesigned into the custom-made micro-clockwise at the factory before shipping which sets theprocessor include contact debouncing.RF immu-DOT-SPACE-DASH ratio at 1:1:3.nity,self-completing character generation,dotmemory and weight control.DOTS and DASHES will be longer if the control isturned clockwise.Therefore,SPACES will be shorter.The keying speed can be continuously varied from5 to 45 wpm.NORMALOPERATION1:1:3ELCTRONIC KEYERICOMThe following are packed in the box.Electronic keyer unit.,,,,················WEIGHT1/4 inch key plug..:..················CONTROLInstruction sheet.·。.·················Following are explanations for CW operation with theIC-740,IC-745 and IC-735.For other ICOM trans-IC I PD7564cSceivers,please refer to the transceiver's instructionDOTmanual.DASHSPDI■1C-740,1C-745:AOOK R3 IK1.Turn the VOX GAIN/ELE-KEY SPEED CONTROLSPD2clockwise beyond the click.OP R7KEYO8KCL22.Increase the keying speed,if desired,by turning the9CLIcontrol further clockwise for the most comfortableVDDRESspeed.633K3.Push the VOX SWITCH to the ON (IN)position.DOTCw8The transmit/receive switching is automaticallyELKYperformed by the transceiver.■1c-735:1.Push the ELEC-KEY SWITCH to the IN position.Some components subject to change for an improve-2.Begin sending and adjust the dual function MICment without notice.GAIN/SPEED CONTROL for a suitable keyingspeed.3.Push the VOX SWITCH to the ON (IN)position.ICOM INCORPORATED6-9-16,KAMIHIGASHI,HIRANO-KU,The transmit/receive switching is automaticallyOSAKA 547,JAPANperformed by the transceiver.Printed in JapanA quality scan/PDF-conversion from www.nigpix.com