[TenTec] AM operation (Jupiter 538)

[W1GOR]

Jason N1SU,

The following information was copied from the RF Squared web site... 

This procedure does work..!

73, Larry - W1GOR


Setting up AM transmit


	AM transmit capability has been added to the Jupiter and 
	Pegasus transceivers. The transceiver must be adjusted 
	before using AM transmit to set the carrier level. The 
	carrier level should be adjusted to  25 Watts or less. 
	The basic steps are similar on the Jupiter and Pegasus 
	transceivers. In addition, the Jupiter has an additional 
	auto-set mode. The microphone gain should be adjusted in 
	SSB mode to prevent over modulation while in AM mode. If 
	you are already using the transceiver in SSB then the setting 
	should be fine. Presently AM Transmit Bandwidth is not adjustable.


JUPITER 538

	On the Jupiter, two controls operate differently while in AM mode. 
	The PWR setting control changes to become AM DRIVE control. This 
	control is used to adjust the carrier level. The TUNE button 
	activates a function called AM-AUTO-SET. When TUNE is pressed the 
	transceiver will turn on the transmitter and adjust the AM-DRIV 
	control for a nominal 25 Watt carrier. It takes the transceiver 
	several seconds to perform this operation. When the process is 
	complete the transceiver will return to receive. It is important 
	to know that during this process the output from the transceiver 
	will be a full 100 Watts. A dummy load should be used and any 
	amplifiers in line should be switched to bypass. After the AM-AUTO-SET 
	the AM DRIVE control can be used to adjust the output if needed. 
	The PWR setting is not accessible in AM mode as AM DRIVE is used to 
	adjust the power output.


-----Original Message-----
From: tentec-bounces at contesting.com
[mailto:tentec-bounces at contesting.com]On Behalf Of Jason Buchanan
Sent: Tuesday, March 16, 2004 2:17 AM
To: tentec at contesting.com
Subject: [TenTec] AM operation



Has anyone out there any experience running AM on the Jupiter?


I pressed the TUNE button while in AM mode but didn't see anything 
change as I expected - AM drive, mic gain, etc all stay the same values. 
  The jupiter's meter shows 14 watts out and just sits there until I 
press TUNE again to make it stop.


Any ideas/suggestions?


Thanks!


73 Jason N1SU
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