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OM POWER OM2500 A, Инструкция по эксплуатации

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For communication with TCVRs

, that are not supported by OM2500A as for example 

JST-245 and older types of Kenwood an external IF-232 converter is to be used. You can use 
universal products of microHAM 

https://www.microham.com

 as MKII, MK2R+ etc., which 

process information about the frequency in ICOM format through the CI-V output. Then the 
PA will be connected in the following configuration: 
JST-245<>=   DB37- JST-245 cable  <> MKII ( or other device from microHAM , which has 
a CI-V output ) <> PC , OM2500A is connected to the CI-V output of a microHAM device. 
 
Example of communication 
 

 

 

  

 
 
If TRX is not connected or communication settings are incorrect the message 
COMMUNICATION LOST will be displayed. You can still use PA by entering MANUAL 
mode (MAN Button) or by fixing the communication problems 
 
Example of Communication loss message 

 

 

 

 

Содержание OM2500 A

Страница 1: ...Instruction Manual OM2500 A SHORTWAVE POWER AMPLIFIER OM POWER s r o 930 30 B 126 SLOVAKIA...

Страница 2: ...way that the rear power supplies are accessible The amplifier can be operated only if both supply cables are connected OM2500A reaches optimal parameters when it is connected to 2 phases Do not turn t...

Страница 3: ...UTO less than 0 5s within same BAND Less than 3s if out of BAND Supported TRXs CAT ICOM ELECRAFT KENWOOD TEN TEC ORION YEASU and Icom transceive protocol using by microHAM devices CI V OUPUT Tube GU84...

Страница 4: ...dband input circuit with an input impedance of 50 Ohms This adaptable input circuitry ensures a good input SWR better than 1 5 1 on all short wave bands The output of the amplifier is a Pi L circuit T...

Страница 5: ...trol grid is stabilized by means of zener diodes SAFETY DEVICES Control and monitoring circuits ensure control and safety of the circuits of the device during malfunction of the PA They are placed on...

Страница 6: ...s Normally the amplifier is used with 2 phases If there is only one phase connect both cables to the single one Grounding The amplifier has to be grounded properly Connect the screw on the rear panel...

Страница 7: ...On the side of your transceiver you have to use a socket suitable for this transceiver During transmitting the middle pin is connected to the ground The relays of the OM2500 A have to be switched ear...

Страница 8: ...is done via TRX type PC DB9 RS232 port is used for communication of your TRX with PC Please use setting you would normally use as if using direct TRX PC connection ALC RCA Phono Automatic Level Contr...

Страница 9: ...BPF 80m 16 BPF 40m 17 BPF 30m 18 BPF 20m 19 BPF 17m 20 BPF 15m 21 BPF 12m 22 BPF 10m 23 COMMON BPF port 24 NC 25 GND Cooling The centrifugal blowers provide the necessary cooling of the amplifier eve...

Страница 10: ...on and after 3min of delay the amplifier will be ready for operation OPR STBY OPERATE puts unit ready for operation At STBY if WAIT LED is on or the amplifier is off your transceiver is in bypass mode...

Страница 11: ...ntenna on given frequency SET button for MAIN MENU Confirmation of selection Saving of selected value Saving of tuning parameters TUNE selection of TUNE mode AUTO selection of Automatic mode MAN selec...

Страница 12: ...Example of AUTO mode using ICOM TRX Example of AUTO mode using Kenwood TRX...

Страница 13: ...ough the CI V output Then the PA will be connected in the following configuration JST 245 DB37 JST 245 cable MKII or other device from microHAM which has a CI V output PC OM2500A is connected to the C...

Страница 14: ...N select desired Baud Rate which must be same as baud rate used by connected TRX please refer to your TRX user guide To confirm your selection press SET When using Yaesu TRX you need to configure STOP...

Страница 15: ...Example of connection for Icom...

Страница 16: ...Example of connection for ELECRAFT...

Страница 17: ...Example of connection with Yeasu...

Страница 18: ...ect BAND which you want to assign to current ANTENNA selected Then we select how many antennas we want per current band 1 or 2 always confirm your selection by pressing SET The by scrolling UP DWN you...

Страница 19: ...Example of connection with antenna switch and BPF...

Страница 20: ...Loading factory default settings In rare case of need to restore factory default settings press SET and scroll using UP DWN to LOAD DEF VALUES and confirm by SET Then we select if want to erase all se...

Страница 21: ...Example for connection with another accessories for example USB micro KEYER II with IC7800 and IC7700...

Страница 22: ...Example for connection with another accessories for example USB micro KEYER II with another Icom s...

Страница 23: ...Example for connection with another accessories for example USB micro KEYER II with Yeasu and ELECRAFT...

Страница 24: ...Example of connection PA with Microham MKII MK2R etc with CI V output...

Страница 25: ...2500A Using SET and scrolling UP DWN we select SET MUTE and confirm it by SET Then we configure MUTE LEVEL for each band so it results in no power being transmitted by TX when performing TUNE procedur...

Страница 26: ...rt of manual Optimally tuned PA delivers full output without reaching maximum Screen Current of 30mA After tuning the PA we save the settings by pressing SET and PA will automatically tune frequency o...

Страница 27: ...nected at the antenna output Switching on the amplifier put the switch at the multimeter to HV position put the OPR STBY switch to STBY position press the ON button The amplifier is prepared for opera...

Страница 28: ...nd 7 10 Set TUNE to maximum output power After this procedure the amplifier is tuned correctly and ready to give 3500W output power in all operation modes At optimal tuning and full output power a pos...

Страница 29: ...back to OPR If the fault will repeat 3 times after each other the control circuits will turn the amplifier to STBY Brining the amplifier to OPR is enabled by using the OPR STBY switch After the react...

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