25TK-880INSTALLATIONFig. 118. External Speaker8-1. KES-3 : OptionThe KES-3 is an external speaker for the 3.5-mm-diam-eter speaker jack.• Connection procedure1. Connect the KES-3 to the 3.5-mm-diameter speaker jackon the rear of the transceiver.8-2. KES-4 : OptionThe KES-4 is an external speaker used with the acces-sory connection cable.• Connection procedure1. Install the KCT-19 in the transceiver. (See the KCT-19section.)2. Insert the crimp terminal into the square plug suppliedwith the KCT-19.3. Connect CN5 of the transceiver to connector C of theKCT-19 instead of to the internal speaker connector.Fig.12Fig. 13KES-3KES-413 6131512Crimp terminal(E23-0613-05)Black leadBlack/White leadNote : When installing KES-4, you must use an optionalcable, KCT-19. Do not connect the KES-4 to 3.5mm speakerjack. The performance may be degraded.6. Rotate the control panel 180 degrees and mount it on thetransceiver. Refit the two halves of the case to completeinstallation. (Fig. 11)