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Firmware Updates 

New features and improvements are available to all KXPA100 owners via firmware upgrades 

Please visit the Elecraft Software page (www.elecraft.com) to obtain our free firmware download application, 
KXPA100 Utility. Versions of the Utility program are provided for PCs, Macs, and Linux platforms.  

If you don’t have Internet access, you can obtain a firmware upgrade on CD. If you don't have a computer, you 
can send your KXPA100 to Elecraft to be upgraded. See Customer Service, pg.11. 

Summary of Contents for KXPA100

Page 1: ...ELECRAFT KXPA100 100 WATT AMPLIFIER OWNER S MANUAL Draft June 3 2013 Copyright 2013 Elecraft Inc All Rights Reserved...

Page 2: ...ymbols and Text Styles 3 Installation 4 Operation 6 Power On 6 Band Switching 7 Transmitting 7 Monitoring 8 Fault Conditions 8 Firmware Updates 9 Specifications 10 Customer Service and Support 11 Theo...

Page 3: ...reviations and Text Styles Important read carefully Operating tip TEMP Tap switch function labeled above a switch PK HOLD Hold switch function labeled below a switch hold for 1 2 sec to activate LED L...

Page 4: ...rs etc on top of the KXPA100 Keep the KXPA100 out of direct sunlight if possible The KXPA100 draws as much as 24 A of power supply current The power cable should be as short and direct as possible to...

Page 5: ...nitial testing 4 Connect the PA KEY 19 to the driving transmitter Key Output This line must be grounded to transmit and 1 mA of current is sourced The KXPA100 PA KEY jack is pulled up to 5VDC when not...

Page 6: ...o the On I position The POWER LED should light IMPORTANT Switches with a legend above and below the pushbutton have two functions Tap press briefly to activate the function labeled above a switch Hold...

Page 7: ...mage by wrong band operation Transmitting 1 Apply a watt of RF drive and note that the POWER W LEDs 8 illuminate to indicate the RF output power 2 Increase the drive power and confirm that the SWR LED...

Page 8: ...xcessive RF Output Reduce RF Drive to KXPA100 High Reflected Power Reflected Power 20 Watts Invalid Frequency Frequency counter detected transmissions in a restricted frequency band Amp is automatical...

Page 9: ...e www elecraft com to obtain our free firmware download application KXPA100 Utility Versions of the Utility program are provided for PCs Macs and Linux platforms If you don t have Internet access you...

Page 10: ...x 10 7 x 10 0 in HWD 10 2 x 27 2 x 25 4 cm With projections 4 4 x 11 1 x 11 8 in 11 2 x 28 2 x 30 0 cm Power Output 100 watts Duty Cycle at 100 Watts 10 minutes key down 5 minutes off Drive Power 4 wa...

Page 11: ...s warranty covers the original owner of the Elecraft product as disclosed to Elecraft at the time of order Elecraft products transferred by the purchaser to a third party either by sale gift or other...

Page 12: ...utput bypassing both the PA Module and the Low Pass Filter Bank The MCU in the Display and Control module monitors and makes critical measurements of a number of operating conditions including two lev...

Page 13: ...13 KIT ASSEMBLY PROCEDURE TBD...

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