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EXPERT 2K-FA

2KW SOLID STATE FULLY AUTOMATIC LINEAR

AMPLIFIER

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Содержание 2K-FA

Страница 1: ...EXPERT 2K FA 2KW SOLID STATE FULLY AUTOMATIC LINEAR AMPLIFIER ...

Страница 2: ...SPE Expert 2K FA Quick Start Guide 2 QUICK START Guide ...

Страница 3: ...SPE Expert 2K FA Quick Start Guide 3 This Guide written by Dr Jeffrey A Cantor K1ZN edited by Bob Hardie W5UQ For Expert Linears America LLC Copyright Pending 2017 ...

Страница 4: ...lifier at INPUT 1 or INPUT 2 3 above o The SPE 2K FA has four cooling fans on the rear 4 More fans are inside Two on 50V PS one on combiner and two on ATU o ALC Relay and CAT control is provided for 1 or 2 transceivers See 5 6 above An RCA cable provided in plastic pouch connects between the transceiver and the amplifier for relay must be connected at a minimum and an ALC connection is also highly...

Страница 5: ...damage Also consider using coaxial switches to route antennas to ground when not in use o The main power switch is located at position 10 above It must be turned on first prior to the Front Panel ON switch o This switch is a DPDT and will completely disconnect AC when turned off For normal use it is left on o Additional remote control and software updating can be done via the AUX PORT and USB conn...

Страница 6: ...These changes are usually made with RS232 controlling the amplifier Or to use Front Panel BAND switches the CAT has to be programmed SET to None L or L and C or C switches only work when in SET MANUAL TUNE Note the following In STANDBY all of the functions are activated band change antenna change tuner control but the transmission is from the transceiver only Barefoot In OPERATE all the functions ...

Страница 7: ...or RELAY control circuit has probably accidently been energized The SPE letters will go away when the 2K FA is keyed Also when keyed the 200 watt bar graph for exciter power is also displayed visible Unplug CAT cables or RCA cables and search for a problem if the 2K FA is keyed when it should not be o Pushing the BAND buttons switches bands manually BAND 10 on FP downward in frequency BAND 11 on F...

Страница 8: ...r matching and it also measures the SWR of the antenna system This allows you to always evaluate your antenna system despite the matching and the power applied however o With the included ATU the amplifier is able to overcome some mismatches of 3 1 SWR or more As long as the ATU matches the antenna to give a reading below 1 99 1 in the SWR box the amplifier will operate Between 1 7 and 1 99 the ou...

Страница 9: ...et before transmitting o Explanation of Sub bands Only One Frequency SETTING Per SUB BAND will be stored The chart shows the center Frequency of each sub band However one can TUNE at any frequency within that sub band Again only one setting per sub band will be stored Tuning at a frequency higher or lower is fine It is best to TUNE at the center frequency That decision is up to the operator progra...

Страница 10: ...TU is not available for this band It is strongly advised to not use the internal tuner and an external tuner simultaneously as damage can be sustained by the internal tuner or amplifier If you intend to use an external tuner then disable the internal tuner OR pre tune the external antenna with the 2K FA internal tuner in BYPASS Then activate the 2K FA internal tuner and tune with it Most of the ti...

Страница 11: ...reen SET led turns off See instructions for exiting at the bottom of the DISPLAY Screen o You will find your programming choices confirmed by the items shown at the lower part of the display o Other keys In MANUAL TUNE the L or L and C or C become active Otherwise they are mostly inactive Antenna Choices Programming Antenna Choices o Turn power ON o Ensure amplifier is in STANDBY o Press SET to op...

Страница 12: ...fier s ANT 1 ANT 2 ANT 3 ANT 4 ANT 5 or ANT 6 connector for each band Or a NO for NONE e g 1 N N would be antenna 1 ANT Port and NONE NONE which indicate the three antenna choices o This setup also allows you to preset up to 3 antennas per band or one antenna or none None would be N N N An antenna could be 1 N N another 3 N N or even 1 2 4 See below for switching between antennas Any combination i...

Страница 13: ... position at a time allowing the operator to bypass the ATU selectively per band and antenna port o Programming takes effect when you exit from the menu page You are required to step to EXIT and push SET or your settings will not be saved You will see the green SET LED turn off and a message telling you that your settings are being saved NOTE Turning off the amplifier during SET programming will m...

Страница 14: ...e the SUB BAND chart from the User s Manual to TUNE to a suggested center frequency Or just TUNE to any frequency you select That will also work Note If you do not use the SUB BAND frequency chart suggested frequencies the frequency you choose may not be near the center frequency of that sub band This is okay however you may find that you may not be satisfied with some other frequencies SWR readin...

Страница 15: ...d it using the ANT key o Repeat the previous steps for all bands and antennas that you wish to use Manual Tuning Manual Tuning is typically not needed The automatic tuning should be sufficient However if needed you can sometimes achieve a better match than that achieved with the automatic tune procedure It is possible to set the tuning manually by using the keys C C L L while watching the SWR o Se...

Страница 16: ...st Receive Only Antennas A unique feature allows the Expert 2K FA to set a dedicated receiving antenna and to control its automatic switching after a transmission starts plus protect receive only antennas from accidental RF transmissions o In SET programming look for the menu item RX ANT Selecting an antenna port causes an r symbol to appear after the selected ANT number e g 3r or 4r With the line...

Страница 17: ... being used successfully Win 10 MS updates may cause need of re installing the CDM driver sometimes o The installation package is contained in a compressed ZIP file named KTerm_Package_1_0 zip See the SPE Expert 2K FA User s Manual for full details on installation and use o Please read the DRIVER Installation instructions Do not have the USB connected when installing the driver Some OS like Win 10...

Страница 18: ...tem automatically restores the correct operating conditions o SERIOUS When automatic system recovery is not possible e g the temperature climbs over the limits due to obstruction of the fans SWR is too high etc In this case the amplifier switches back to standby state and the alarm message gets stored Normally transmission can continue with the exciter only Operator needs to locate and remove the ...

Страница 19: ...pose of the CAT connectors is to help the amplifier be the most reliable avoiding compromise Therefore a CAT cable is strongly recommended If ALC is not used it is better to lose a fraction of dB in transmitted power by slightly reducing the drive power than to overdrive the amplifier resulting in a poor quality transmission Remember loss of a few watts should not be detected by the receiving stat...

Страница 20: ...e in the 2K FA See the 2K FA User s Manual for details If problems occur when using other software programs remember to eliminate your amplifier as being the problem by using ONLY your transceiver and the amplifier If system works here then the problem is elsewhere Setting Drive Levels a SSB Adjust the MIC GAIN of the transceiver until while speaking normally into the microphone the signal peaks o...

Страница 21: ...r to full power out when returning to STANDBY Never stress the amplifier with long periods in key down transmission as this can stress the amplifier components However sophisticated software avoids transmitting a continuous signal in the MAX condition for five seconds by seamlessly switching to MID power Important In SSB use of high compression is not encouraged as this can cause a rapid increase ...

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