Kenwood TS-570D User Manual - Page 16

3 GETTING ACQUAINTED REAR PANEL q w ANT 2 ANT 1 AT COM KEY PADDLE ACC 2 e DC 13.8V GND r EXT.SP 8Ω REMOTE t y u io q ANT 1 and ANT 2 connectors Connect the feed lines from your antennas to these connectors. Refer to pages 1 and 48 for details. w AT connector Mates with the connector on the cable supplied with the external antenna tuner. Refer to the instruction manual supplied with this tuner for more information. e DC 13.8 V power input connector Connect a 13.8 V DC power source {page 2}. Use the supplied cable with a regulated DC power supply. r GND post Connect a heavy gauge wire or copper strap between the ground post and the nearest earth ground {page 2}. t COM connector Mates with a 9-pin female RS-232C connector for connecting a computer via one of its serial communication ports {page 60}. Also used with the Quick Data Transfer function {page 60}. y KEY and PADDLE jacks The PADDLE jack mates with a 6.0 mm (1/4") 3-conductor plug for connecting a keyer paddle to the internal electronic keyer. The KEY jack mates with a 3.5 mm (1/8") 2-conductor plug for connecting an external key for CW operation. Read "Keys and Keyboards for CW Operation" {page 3} before connecting to these jacks. u ACC 2 connector Mates with a 13-pin male DIN connector for connecting various accessory equipment {pages 61, 62}. i EXT SP jack Mates with a 3.5 mm (1/8"), 2-conductor (mono) plug for connecting an external speaker {page 3}. Connecting an external speaker cuts off the audio automatically to the internal speaker. o REMOTE connector Mates with a 7-pin male DIN connector for connecting a linear amplifier {page 61}. European versions only: Before connecting to the ACC 2 and COM connectors, remove the protective covers. 10