Ten-Tec Jupiter 538 User Manual

Thursday, February 23, 2017 8:53 PM
Operating the Jupiter Transceiver without the optional tuner installed
Version 1.130 of the Jupiter firmware initiated support for the optional internal auto-tuner.
Changes to the firmware affect how the [TUNE] button operates even if the tuner is not
installed.
To place the transceiver in reduced power TUNE mode
Tune the radio to the desired frequency.
Press the [TUNE] button
The radio will key in CW mode at approximately 20 watts output.
Press the [TUNE] button again to exit the TUNE mode.
To place the transceiver in normal TUNE mode
Tune the radio to the desired frequency.
Press [ALT] then [TUNE] buttons
The radio will key in CW mode. Power output is determined by the POWER control.
Press the [TUNE] button again to exit the TUNE mode.
Operating the Jupiter Transceiver with built-in tuner
The optional internal tuner for the Jupiter is controlled through use of the front panel [TUNE]
button. In addition, the tuner may be disabled/enabled via the USER MENU.
To Activate the Tune
Tune the radio to the desired frequency.
Press the [TUNE] button
The radio will key in CW mode at approximately 20 watts output.
When the minimum SWR has been achieved the tuning process will stop.
And the transceiver will return to receive mode.
The Letter 'T' will appear at the far right of the main frequency display indicating
that the tuner is ready.
To Bypass the Tuner
The [TUNE] Button will toggle between TUNER ON and TUNER OFF.
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Ten-Tec Jupiter 538 Specifications

General

Frequency Range	1.8 - 30 MHz
Image Rejection	> 70 dB
IF Rejection	> 70 dB
Supply Voltage	13.8 V DC
Current Drain (Transmit)	20 A
Modes	SSB, CW, AM
Power Output	100W
Selectivity	2.4 kHz at -6 dB