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Rohde & Schwarz EK 895, Operator'S Manual

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V L F 

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 H F   R E C E I V E R S   

f

  

 E K  8 9 5  /  E K  8 9 6

Operator Manual

User Information

Purpose of the Manual

This Manual provides all information the operator needs for data link operation with VLF

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HF Re

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ceivers EK 895 and EK 896.

All functions and commands marked with a crossreference to the User Manual 6045.6712.12.xx are
possible in data link operation; however, they are not essential for the actual data link operation. 

Not included in this Manual are the necessary information and instructions concerning the instal

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lation, putting into operation and control of the unit, and troubleshooting instructions down to
module level. For this the User Manual 6045.6712.12.xx is required which is supplied as an acces

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sory.

6075.6991.82.01

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 Z.1 / Z.2 

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Summary of Contents for EK 895

Page 1: ...Radio Communications Systems Division Operator Manual VLF HF RECEIVERS EK 895 EK 896 6057 8996 07 6038 2509 17 Software Version 3 xx Software Version 3 xx 6075 6991 82 01 1...

Page 2: ...ecuted and is subject to restitution UrhG UWG BGB For the case a patent is issued or the design is officially registered all rights are reserved ROHDE SCHWARZ GmbH Co KG D 81671 M nchen M hldorfstr 15...

Page 3: ...3 01 4 1 1 to 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 02 1 02 2 2 1 to 2 10 2 11 2 12 01 07 96 01 07 96 01 07 96 01 07 96 01 07 96 01 07 96 01 07 96 01 07 96 01 07 9...

Page 4: ......

Page 5: ...ls ERR error status F frequency F7B diplex telegraphy FAX facsimile F1C and F3C FIB filter bandwiths IF FM frequency modulation F3E FREQ frequency FRQ frequency FSK frequency shift keying F1B HF high...

Page 6: ...emotely controlled RF radio frequency RS reactivating a channel SA signal BYPASS SCA scanning commands SE switching digital selection on or off SER serial interface SHFT shift frequency offset SIG sig...

Page 7: ...rossreference to the User Manual 6045 6712 12 xx are possible in data link operation however they are not essential for the actual data link operation Not included in this Manual are the necessary inf...

Page 8: ......

Page 9: ...on the operating status of the installed options In addition the Tx and Rx paths are checked The BIT is initiated either through switch on or on purpose during operation by pressing softkey BIT in the...

Page 10: ......

Page 11: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 12: ......

Page 13: ...7 1 1 7 Frequency 1 8 1 1 7 1 Entering a Frequency 1 8 1 1 7 2 Altering the Frequency with the Tuning Knob 1 8 1 1 7 3 Altering the Tuning Knob Stepwidth with the Cursor Control Keys 1 8 1 1 7 4 Enter...

Page 14: ...ction FK 896 Option 1 17 1 1 12 Loudspeaker EK 896 1 18 1 1 12 1 Switching the Loudspeaker On 1 18 1 1 12 2 Adjusting the Volume 1 18 1 1 12 3 Switching the Loudspeaker Off 1 18 1 2 Control Unit 1 REM...

Page 15: ...ements of VLF HF Receiver EK 896 1 39 1 2 Control and Display Elements of VLF HF Receiver EK 895 1 41 1 3 Control and Display Elements of VLF HF Receiver EK 895 Control Unit 1 1 43 1 4 Structure of So...

Page 16: ......

Page 17: ...f Complete entries are to be terminated by actuating key ENT or softkey ENT or NEXT f Entries outside the permitted entry range will not be accepted f If within approx 2 s no entry is made for freque...

Page 18: ...t on the frequency indication The key MORE only obtains a function if on the right hand side on the display the character appears Note The individual functions are called up via the main menu A descri...

Page 19: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 20: ...ceiver settings consisting of fre quency and modulation mode can be stored in a single channel 1 1 3 2 CHANNEL In the operating mode CHANNEL there is a channel set In channel operation the follow ing...

Page 21: ...ing menus EK 895 EK 896 f Demodulation parameter f Demodulation parameter menu 1 menu 1 f Programming menu 1 f Programming menu 1 f Master slave menu 1 f CHM f System functions menu Mod mode menu 2 1...

Page 22: ...pressing key MENU four times On the sixth level there are the following menus EK 895 EK 896 f CHM Demodulation para meter menu 1 Frequency deviation menu 1 Baud rate menu 1 TTY status menu 1 The first...

Page 23: ...n for approx 2 s and then switched off again This allows a visual check of the LCD In the built in equipment test BIT it is first checked whether the modules synthesizer HF unit and IF AF processor ar...

Page 24: ...MHz Resolution 1 Hz Entry in kHz 1 1 7 2 Altering the Frequency with the Tuning Knob If the LED FRQ is not illuminated actuate key FRQ Upon actuation of key FRQ the following display appears FREQUENCY...

Page 25: ...a a a a a a a a a a a a a a a a a a a a a a a CURSOR a a a a a a a a a a a a a a a a a a a a a a a a a kHz a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 26: ...meric keypad Range of entry 1 Hz to 1000 kHz Resolution 1 Hz The programmed stepwidth for the tuning knob takes effect as soon as in the FRE QUENCY mode the cursor is shifted to the right hand side an...

Page 27: ...D CHM MEM SCA SYS MORE Tuning Knob Menu STEP ON OFF Stepwidth Entry ENT Special Functions Menu KNOB LEV SER REM DEF 3rd LEVEL EK 895 2nd LEVEL EK 896 Main Menu 2 M S SYS SPEC CHM MEM Main Menu MOD GAI...

Page 28: ...upper sideband no LSB signal f LIL B8D amplitude modulation monitoring sideband lower sideband LSB and USB signal f LIU B8D amplitude modulation monitoring sideband upper sideband LSB and USB signal F...

Page 29: ...rns to the modulation mode menu 2nd LEVEL a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a MODULATI...

Page 30: ...1 Calling Up a Channel If the LED is not illuminated actuate key CH Upon actuation of key CH the following display appears CHANNEL _ The flashing cursor _ indicates that an entry is expected Enter the...

Page 31: ...hannel 0 7 8 9 4 5 6 1 2 3 CH a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a Channel Entry ENT Tuning knob enabled see 1 1 7 5 a a a a a a a a a a a a a a a a a a a a a a a a...

Page 32: ...ions PAMP NB SQ and NTCH is displayed in the status line Activation of a function is indicated by a black bar 1 It is of no use trying to activate this func tion in data link operation since in this c...

Page 33: ...is underlined MENU1 Special Functions Menu 2 ME ME S C BYP a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 34: ...12 2 Adjusting the Volume When the toggle switch is in the upper position see 1 1 12 1 it is possible to adjust the volume with the aid of the AF control AF Here the direction of rotation signifies t...

Page 35: ...anual 6045 6712 12 xx are required 1 2 2 Switching On Actuate switch ON a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 36: ...uminated carry out troubleshooting acc to 4 2 see User Manual 6045 6712 12 xx Example synthesizer defective a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a HF TEIL RF UNIT ZF N...

Page 37: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 38: ...TION and three 14 segment display elements a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a MODULATION a a a a a a a a 0 a a a a...

Page 39: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 40: ...he softkeys 16 ME Storage into the buffer see 1 1 11 1 ME Calling up the buffer contents see 1 1 11 2 S C 1 BYP2 Activating or deactivating Digital Selection FK 896 see 1 1 11 3 and 4 1 It is of no us...

Page 41: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 42: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 43: ...mming process is terminated or the program returns to the next higher level see 1 1 4 If e g in the softkey assignment field 14 the programming menu is displayed the program returns to the scanning me...

Page 44: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 45: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 46: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 47: ...cimal point are automatically inserted example 100 2 100 200 Unpermissible entries are replaced by a default value after actuating key ENT 25 f If the LED assigned to key FRQ 32 is illuminated the fr...

Page 48: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 49: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 50: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 51: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 52: ...a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a...

Page 53: ...g acc to 4 2 in the User Manual 6045 6712 12 xx if necessary Upon actuation of the power switch 1 the LED OPTION 2 is illuminated during the LED test Once the BIT is terminated successfully the LED go...

Page 54: ...D test Once the BIT is terminated successfully the LED goes out CM message for the IF AF processor module If an error occurs after release of the command BIT or RESET the LED will be illuminated For i...

Page 55: ...nly control time display FAST 23 Key PUT no function 6 Channel field 24 Key CLR 7 Bandwidth field display 3 1 kHz 25 Key ENT 8 BFO field no function 26 Key GET no function 9 Frequency field 27 Numeric...

Page 56: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Control and Display Elements Fig 1 1 Control and Display Elements of VLF HF Receiver EK 896 6075 6991 82 01 1 39 1 40...

Page 57: ...y FAST 23 with EK 896 only 6 Channel field 24 Key CLR 7 Bandwidth field display 3 1 kHz 25 Key ENT 8 BFO field no function 26 with EK 896 only 9 Frequency field 27 Numeric keypad 10 Cursor 28 Key BFO...

Page 58: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Control and Display Elements Fig 1 2 Control and Display Elements of VLF HF Receiver EK 895 6075 6991 82 01 1 41 1 42...

Page 59: ...Legend for Fig 1 3 No Designation 1 Switch POWER 2 LED OPTION 2 3 LED OPTION 1 4 LED SYNTHESIZER 5 LED IF AF PROCESSOR 6 LED RF UNIT...

Page 60: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Control and Display Elements Fig 1 3 Control and Display Elements of VLF HF Receiver EK 895 Control Unit 1 6075 6991 82 01 1 43 1 44...

Page 61: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Software Structure Fig 1 4 Structure of Software for VLF HF Receiver EK 895 page 1 of 2 6075 6991 82 01 1 45 1 46...

Page 62: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Software Structure Fig 1 4 Structure of Software for VLF HF Receiver EK 895 page 2 of 2 6075 6991 82 01 1 47 1 48...

Page 63: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Software Structure Fig 1 5 Structure of Software for VLF HF Receiver EK 896 page 1 of 2 6075 6991 82 01 1 49 1 50...

Page 64: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f Software Structure Fig 1 5 Structure of Software for VLF HF Receiver EK 896 page 2 of 2 6075 6991 82 01 1 51 1 52...

Page 65: ...2 2 2 CHANNEL 2 2 2 3 Basic Settings 2 3 2 3 1 Frequency 2 3 2 3 2 Modulation Mode 2 3 2 3 3 Programming Examples 2 4 2 4 Special Functions 2 5 2 4 1 Channel Call up 2 5 2 4 2 Inquiry of Channel Cont...

Page 66: ...h the address A00 are accepted by all receivers regardless of the set receiver address Unaddressed operation r command 1 command 2 command x The command itself consists of a code and up to 21 paramete...

Page 67: ...switching digital selection on or off with FK 896 only The possible system functions are characterized by the following codes f A address f V software version f FIB IF filter f OP options f SA signal...

Page 68: ...eceiver is set to a frequency of 21 5 MHz 2 3 2 Modulation Mode Command syntax Code I Parameter a Possible entries replies 15 L USB 16 L LSB 17 L ISB USB 18 L ISB LSB The abbreviations for the modulat...

Page 69: ...801 kHz F801000 f Modulation mode L USB I15 At the same time these settings are to be confirmed Command rF801000 I15 Reply rF801000I15 Example 2 The VLF HF receiver with the address 15 is to be set as...

Page 70: ...arameter a b z s set Possible entry Range 0 to 999 Note Inhibited channels K parameter e see A3 7 11 in the User Manual 6045 6712 12 xx are automatically reactivated upon command Ks parameter that is...

Page 71: ...g the Preamplifier On or Off Command syntax Code PA Parameter a Possible entries replies 0 switch off OFF 1 switch on ON Example 1 Inquiry of preamplifier status Command rAxxPA Reply rAxxPA0 The pream...

Page 72: ...12 12 xx 2 5 1 Inquiry of Options Command syntax Code OP Reply Parameter a 0 no option 1 Control Unit GB 890 8 BCD Interface GC 890 9 Preselector FK 890H1 11 VLF HF Receiver EK 895 12 VLF HF Receiver...

Page 73: ...AF proces sor missing 6 IF AF proces sor defective 7 IF Converter UX 895 defective see A3 7 4 1 C Inquire CM status 0 no fault 1 synthesizer defective 4 IF AF proces sor defective 5 synthesizer and I...

Page 74: ...f frequency Parameter b Control type Parameter c Frequency Hz 0 to 2 0 to 1 0 to 40000 0 no signal 1 signal with variable fre quency 2 signal with fixed fre quency option 0 off 1 on 0 to 40000 see A3...

Page 75: ...continuous bandwidth 16 EK 896S7 quasi continuous bandwidth 17 Digital Selection FK 896 18 IF Processor GM 893 Mod 03 19 Data Link see 2 5 1 P Inquire level line status 0 OFF 1 ON see A3 7 3 1 PA Swit...

Page 76: ...ion on or off with FK 896 only 0 to 1 0 ON 1 OFF see A3 7 17 1 ST Store into a channel 0 to 999 see A3 7 7 1 V Software version processor IF AF processor e g 310 136 see A3 8 2 1 W Bandwidth basic uni...

Page 77: ...V L F H F R E C E I V E R S f E K 8 9 5 E K 8 9 6 Operator Manual f List of Commands 6075 6991 82 01 2 11 2 12...

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