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OM POWER OM2500 A, Instruction Manual

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Instruction Manual 

 

 
 

 

 

 

 

OM2500 A 

 

SHORTWAVE POWER AMPLIFIER 

 

OM POWER,  s. r. o.     930 30  Bá

č

 126 

SLOVAKIA 

 

Summary of Contents for OM2500 A

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

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

Page 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...

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

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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