MOT-TVS-2-PRO-M MOT-VPU-15-PRO-M
Contents
1. INSTALLED m 2 REV DOCUMENT NAME MIDIAN ELECTRONICS INC 5 2 15 DATE 1999 11 01 DWG BY DML BOTTOM CP SHEET PROJECT NUMBER 244 7313 DESIGN CJS REV 2014 05 092. MIDIAN ELECTRONICS MOT TVS 2 PRO M Frequency Hopping Rolling Code Voice Scrambler for Motorola Professional Series Mobile Radios MOT VPU 15 PRO M Voice Inversion Scrambler for Motorola Professional Series Mobile Radios Manual Revision 2014 05 19 American Communication Systems Ey E Covers Software Revisions Discover the Power of Communications MOT PRO 2 96 end Higher http www ameradio com Covers Hardware Revisions MOT PRO 7313F and Higher This manual supports the following Midian TVS 2 and VPU 15 scramblers MOT TVS 2 PRO M amp MOT VPU 15 PRO M MOT TVS 2 PRO M MOD 1306 amp MOT VPU 15 PRO M MOD 1306 MOT TVS 2 PRO M MOD 1331 amp MOT VPU 15 PRO M MOD 1331 This manual supports the following radios North America CDM 750 CDM 1250 CDM 1550 LS EMEA Region GM 140 GM 160 GM 340 GM 360 GM 380 GM 640 GM 660 GM 1280 Asia GM 328 GM 338 GM 338 LS GM 339 GM 398 GM 399 MCX 720 MCX 760 MCX 780 Latin America PRO 3100 PRO 5100 PRO 7100 PRO 7200 SPECIFICATIONS Operating Voltage 3 3 VDC Operating Current 8mA Operating Temperature 30 60 C Frequency Response 300 2100 Hz Input Impedance 2200 Carrier Suppression 60 dB lt Peak Voice Audio Output Impedance lt 75 Tone Distortion lt 1 Encryption Specifications TVS 2 Encryption Sequences 40 Trillion TVS 2 Random Number Generator 64 bits TVS 2 Sequence Length est 84 billion years VPU 15 Inversion Codes Availa
3. Network Operator Dialing Enable F Companding Enable I7 Talkgroup Select Option Enable F Low Levol Expansion Enable 3 If using conventional channels edit the Conventional Personality Data In the Conventional Personality window check the Option Board Enable box Check Option Board Enable for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Enable only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling Conventional Personality Tesi Steg KONV Tiamat Timed 1 ma Display Mode 21 Fwd F kire Leret i Lm Value Qe Di otters inam d afa se Albeit Tare PW Alesi Vom IN Maagt 1 10 HARDWARE INSTALLATION Be certain to follow standard anti static procedures when handling any of Midian s products Radio Firmware For the mobile radios listed it is necessary to have radio firmware version R05 00 00 or higher If the radio has an older firmware version it is necessary to upgrade to the newest firmware Verifying the firmware version can be done several ways On most radios this information is on a label on the bottom of the radio For di
4. the mounting frame and 3 mounting screws Reassembling the Radio Additional assembly instructions are also available in Motorola s Basic Service Manual 1 Once scrambler is installed in the lid insert the other side of the 40 pin flex cable into the 40 pin flex connector on the radio s main board The shiny side of the flex should face down 2 Reinstall the metal lid making sure the flex bends toward the back of the radio otherwise it will be pinched by the lid Tighten the screws down in number sequence shown on the lid to 17 in Ibs 1 9 NM torque Repeat to verify torque is correct after completing the sequence 3 Snap on plastic cover HARDWARE ALIGNMENT The MOT TVS 2 PRO M series does not require any hardware adjustments however when ordering the scrambler the radio it will be used in must be specified The scrambler will come modified by Midian for the proper model of radio If for some reason you decide to modify the board because the radio changes the table below indicates the parts to change For example if changing a PRO M module into a PRO M MOD 1306 R 3 and R 21 would need to change values Scrambler R 1 R 3 R 8 R 12 R 17 R 21 R 23 R 25 R 36 C 33 PRO M 750K 300K N A 62K 27K 100K 150K 100K 0 Ohm N A PRO MOD 1306 750K 750K N A 62 K 27K 91K 150K 100K 0 Ohm N A PRO MOD 1331 910K 910K 27K 27K N A 47K 62K 62 K N A 01 uf 12 PRODU
5. Y X TX OUT YO XI C27 Ri Ce 22p 10K1 1C9 2 9 1 NP 4053 4053 C10 R17 12 D 0068u C31 100 10K R19 IC6 4 56K c R25 E 100K R30 OR Cll IC7 3 0068u LMV324 RO 4 OUT LMV324 36K 14 R18 C12 E 8 2K b R21 100K NZ MIDIAN RE INC SoU UTE COPYRIGHTO2012 DATE 1999 11 01 DWN BY APPR Neve SHEET PROJECT NUMBER COPYRIGHTO2012 1 of 2 L now Vddd SW SJ1 SW B LED Pee VEO TP2 Vddd Vddd e st st C7 5 C6 5 LED PWR gt gt 324 LV2375 P COL3 Vddd Vddd RW2 gt lt 576 877 02 01 Vddd Vddd R611 ROWI lt IK us Loss LCD SEL 1 gt KEY INTRP Vddd R612 ps IK VDDD gt COLI C610 id 1 E 5 GND gt COL2 gt COL3 gt gt COLS EXT MIC eel C617 100p B Discover the Power of Communications i i REV DOCUMENT NAME MIDIAN ELECTRONICS INC MOT TVS 2 MOT vPU 15 DATE 1999 11 01 DWN BY DML APPR SCHEMATIC SHEET PROJECT NUMBER DESIGN 515 REV 2014 05 09 COPYRIGHT 2012 Doi 2 7313 4 6 http www ameradio com TEE o PROG_OUT PROG_IN NOT INSTALLED MIDIAN ELECTRONICS INC MOT APR eem PROJECT NUMBER DESIGN CJS REV 2014 05 09 15 2012 1 of 2 7313
6. enabled on all channels Known Issues The Enable Wired PTT function on the Radio screen of the MPS UP is obsolete This box should never be checked The Combo press amp hold and Emerg press amp hold are not supported on the P1 P2 and P3 buttons when using Enhanced Integration Use of the System Scan feature of the radio has been known to cause a problem whereby the transmitter stays on the air 3 seconds after PTT is released Checking the Reserved Function box on the Advanced screen of the MPS UP works around this radio problem Accessory Pin Features Upon power up the radio does not always report the state of the accessory pins to the option board It may be necessary to toggle the state of these inputs once after power up to ensure correct operation Option Board Feature Enabling the option board feature tells the radio to report events such as button press PTT press carrier detect etc to the option board This feature enables communication between the option board and the radio When controlling the scrambler with a radio button it is absolutely required to enable this feature on all channels For scrambling on a per channel basis only enable the option board on scrambled channels and the power up mode of the scrambler should be Scramble On display models the following icon appears on the LCD when option board mode is on I5 Known Issues The radio must be off for a full 3 seconds prior to being turned on or th
7. step above then it will be preset in the default file The following table indicates the proper Radio Model Selection for the scrambler ordered A MDC LTR Mobile MOT TVS 2 PRO M MOT VPU 15 PRO M MOT TVS 2 PRO M MOD 1306 or MOT VPU 15 PRO M MOD 1306 6 5 Tone or MPT Mobile MOT TVS 2 PRO M MOT VPU 15 PRO M MOT TVS 2 PRO M MOD 1331 or MOT VPU 15 PRO M MOD 1331 ITPRO MOC File Wl dian VAL ave pra oft Encoda Decode Secunty keys Scrambler Advenced Radio RADIO MODEL SELECTION 8 MOC LTR Portable wih 01 00 or greater in ADVANCED mode ENHANCED INTEGRATI 4 5 MPT Portable in ADVANCED mode ENHANCED INTEGRATION 5 Future use 8 5 Tone or Mobile in ADVANCED mode ENHANCED INTEGRATION 7 5 Tone Mobse in ADVANCED mode scrambler keypad only ENHANCED INTEGRA 8 MOC LTR Portable with A0301 00 or greater ADVANCED mode ENHANCED INTEGRATIC 2 MDCALTR Portabte w 4 Line Displey in Advanced mode ENHANCED INTEGRATION A MDCALTR Mobile wah ROS 00 00 or greater in ADVANCED mode ENHANCED INTEGRATION B Future use After entering the parameters save the by going to File Save As Enter the name in the File Name block and click Save Saving the file will allow for quick and easy reprogramming of units Turn power on to the radio and then the RIB Click ProgramUnit in the MPS
8. under the Global Tab select Advanced as the Option Board Type and set the RX Audio Accessory Connector to Filtered Squelched Note The Accessory Connector is the rear accessory connector but this setting also affects the audio going to the options connector Per Radio Miscellaneous Advanced Filtered Squelched 2 For each personality under the Miscellaneous tab the Option Board must be enabled Check the Option Board box for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Feature only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling tol Per Personality 1 of 2 j 3 For each personality under the Audio tab the Voice Pre emphasis De emphasis must be disabled 5 2 MOD 1306 MOT VPU 15 PRO M MOD 1306 CDM 1550 LS GM 338 LS Programming Instructions It is necessary to program the radio before installing the scrambler This is because the Option Board Feature of the radio must be enabled in order to program the scrambler using a RIB box and to hear confirmation beeps from the radio after programming the scrambler Conventional Programming 1 In the Radio Configuration Window under the Option Board Tab select Advanced Option Interface as the Option Board Type Do not check the Option Board Co
9. CT PROGRAMMING Install the MPS programming software if you have not done so already The MOT TVS 2 PRO series version 2 8 and higher can be programmed via the Motorola RIB box Start the MPS software From the product selection screen on the MPS software locate and select MOT TVS 2 PRO or MOT VPU 15 PRO and the desired model and click OK The following table shows the proper MPS selection based upon the model scrambler ordered PRO M MDC Mobile MOT TVS 2 PRO M or MOT VPU 15 PRO M PRO M LTR Mobile MOT TVS 2 PRO M MOD 1306 or MOT VPU 15 PRO M MOD 1306 PRO ME 5 Tone or MPT MOT TVS 2 PRO M MOT VPU 15 PRO M MOT TVS 2 PRO M MOD 1331 or Mobile MOT VPU 15 PRO M MOD 1331 PRO E 5 Portable PRO EL Entry Level Portable PRO LTR Portable PRO M LTR Mobile PRO M MDC Mobile PRO MDC Portable PRO ME 5 Tone or MPT Mobile PRO XP PRO XS Configure the programming software by selecting File Preferences Select the appropriate COM port If using the RIB box make certain there is a check mark next to Rib Box Enable by clicking on it Set the parameters of the MOT TVS 2 PRO software to fit the application If any clarifications on a feature are required move the mouse cursor over the feature name until the question mark appears and right click an on line help for that feature will be shown On the radio tab it is necessary to select the proper Radio Model If the correct product was selected in the
10. ble 37 GENERAL INFORMATION The MOT TVS 2 PRO series is a high level hopping code scrambler that plugs into the Motorola Professional series radios Midian s TVS 2 uses the hopping type rolling code encryption for higher security rather than sweeping code type and offers 4 user programmable hop rates and is down gradable to voice inversion The scrambler is capable of features such as ANI ENI OTAR Deadbeat Disable Spy and more when using Midian s Kryptic Signaling format with Midian s CAD 300 and DDU 300 The MOT VPU 15 PRO series is an entry level voice inversion scrambler that plugs into the Motorola Professional series radios The scrambler is capable of features such as ANI ENI OTAR Deadbeat Disable Spy and more when using Midian s Kryptic Signaling format with Midian s CAD 300 and DDU 300 For more detailed information on the scramblers features troubleshooting and system information please reference the TVS 2 Technical Reference Manual INSTALLATION OVERVIEW 1 Test the radio for functionality 2 Program the radio per the Radio Programming Section of this manual 3 Install the scrambler into the radio per the Hardware Installation Section of this manual 4 Program the scrambler per the Product Programming Section of this manual Note Midian is not responsible for any damage loss resulting from the use of Midian s products RADIO PROGRAMMING MOT TVS 2 PRO M amp MOT VPU 15 PRO M for Motorola MDC 1200 capab
11. e scrambler cannot reset properly resulting in malfunction The Enable LCD Message option in the MPS UP should not be enabled due to problems in the radio If problems are experienced when reading the scrambler from the RIB box use the MPS cable 16 MIDIAN CONTACT INFORMATION MIDIAN ELECTRONICS INC 2302 East 22 Street Tucson Arizona 85713 USA Toll Free 1 800 MIDIANS Main 520 884 7981 E mail sales midians com Web www midians com 17 This page intentionally left blank Vddd Vddd 23 R32 22 10K 68705FPHS z amp rLv2375 PAD2 j T 514 Su en D2 21 Vddd DIY PADI 28 Vddd AN 10K 2546 10K cO 24 8 9 SCLK VCC B Oal 7 1 SI NCI C17 A2 5 lu Al so 6 pus cs Vddd C615 32 100p CLK2 55 OPT ENA 34 R6 OR 15 VDDD gt 14 C26 4 29 22 100 RESET lt Yi R33 33 3 58 MHz GND gt an 22 C6 39p R4 1 8M Vddd AN C23 Vddd R3 22p T 300K R5 C22 TX IN gt 4 7K IC2 16 716 E 3 021 7 39 1 0068u othe NA R16 C20 36K 150p DE IC9 3 4053 Vddd C24 lt 28 1 4 5 A 470p lt 4 7K 555 39 Q BSS R12 M CEA Da R10 1 2M 18K lu R36 RI l OR 750K RX IN gt C4 5 22 R24 5 36K DISC IN gt Vddd 0 NO 10K1 R23 m R41 lt 150K R31 4 7K X0 OR
12. imal impact to the features of the radio However some features may not be available in the radio when an option board is used If a feature is not available please contact Midian to see if the feature can be added Radio Firmware Midian recommends having the latest firmware in the radio when installing the scrambler However it should be noted that occasionally firmware updates may cause a conflict with proper option board radio communications This may appear that the scrambler is not working properly but it is a conflict in the serial communication between the option board and radio If this happens it will be necessary to go back to the original firmware revision Please note that firmware versions between the EMEA region and the Asia and America regions might be different Scan Midian strongly recommends not using the radio s Scan function when using voice scramblers First of all synchronization packets will most likely not be decoded by the receiving radios as the receiving radio may be looking at a different channel when sync is transmitted Additionally if using a combination of scrambling on a per channel basis and a mode select button to control the state of the scrambler when the scan function is used the radio will ignore the button This is best resolved by using per channel scrambling OR a mode select button but not both If using scan and a mode select button the Option Board Feature box in the radio programming section must be
13. ions To enable this feature one of the radio accessory pins must be assigned to Option Board 1 Input via the CPS programmer 4 An accessory pin may be used to initiate an emergency ANI This allows for an external emergency foot switch or button and frees up one of the radio front buttons To enable this feature one of the radio accessory pins must be assigned to Option Board 2 Input via the CPS programmer The switch must be held in the active state for about 2 seconds before an emergency ANI will be sent Note Accessory pin features do not require any special scrambler programming IB Radio Configuration Voice Storage Microphone Password Home Revert Basic Lights LED s Tones Scan Menu Test Option Board Accessory Configuration Accessory Pins Auxiliary Control Tx Power z Active Debounce Pin Function Selection Level Enable 3 Estemal Mic PTT Input v Li 4 ESQ Detect Dupuy 2 amp 14 Printa SSCS Y MOT TVS 2 PRO M amp MOT VPU 15 PRO M GM 339 GM 340 GM 360 GM 380 GM 399 PRO 7200 Programming Instructions It is necessary to program the radio before installing the scrambler This is because the Option Board Feature of the radio must be enabled in order to program the scrambler using a RIB box and to hear confirmation beeps from the radio after programming the scrambler 1 In the Per Radio Miscellaneous Window
14. le mobile radios CDM 750 CDM 1250 GM 140 GM 160 GM 328 GM 338 GM 398 PRO 3100 PRO 5100 PRO 7100 Programming Instructions It is necessary to program the radio before installing the scrambler This is because the Option Board Feature of the radio must be enabled in order to program the scrambler using a RIB box and to hear confirmation beeps from the radio after programming the scrambler 1 In the Radio Configuration Window under the Option Board Tab select Advanced Option Interface as the Option Board Type Do not check the Option Board Configuration Download box Radio Configuration 2 When programming the Conventional Personality Pre Emphasis may be enabled but De Emphasis must be disabled This is because De Emphasis will prevent the scrambler from decoding synchronization data Compression should not be used with the scrambler No or Low Level expansion may be used Check the Option Board Feature box for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Feature only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling The following two steps apply to the accessory connector and be skipped most users 3 An accessory pin may be used to control the transmit mode of the scrambler between scramble and clear This is useful in remote control applicat
15. naling Midian s TVS 2 and VPU 15 offer the following signaling functions ANI When the PTT button is pressed the scrambler will generate an ANI to be decoded by Midian s CAD 300 or DDU 300 Emergency ANI When the Emergency button on the radio is pressed and held for 1 second the scrambler will key the radio and transmit the ENI to be decoded by Midian s CAD 300 or DDU 300 Selective Call The scrambler can be selectively called from Midian s CAD 300 or DDU 300 When the scrambler is called it will generate ringing beeps out the radio s speaker Radio Kill The scrambler can be disabled and re enabled from Midian s CAD 300 or DDU 300 When the scrambler receives a disable command it will not allow any receive or transmit audio to pass through the scrambler or for a PTT command to be given to the radio if the PTT path is controlled by the scrambler When the scrambler receives an enable command it will resume normal operation Spy The scrambler can be sent a command from Midian s CAD 300 or DDU 300 to key the radio and transmit ambient noise from the microphone for 00 90 seconds in 10 second increments This time is preprogrammed into the scrambler Query This command sent from Midian s CAD 300 or DDU 300 will report to the CAD or DDU if the scrambler radio is currently on or off 15 TECHNICAL NOTES Radio Compatibility Midian has taken the utmost care to ensure the option board integrates into the radio with min
16. nction in the radio programming software In the MPS software on the Radio tab in the Button Assignment area set the desired button to Mode Select Pressing and releasing this button will toggle the mode of the scrambler between scramble and clear A medium tone followed by a high tone indicates the scrambler is in Scramble mode and a medium tone followed by a low tone indicates the scrambler is in Clear mode Also on the Radio tab under the Miscellaneous section Code Selection The TVS 2 or VPU 15 can have up to 4 different codes programmed Code Selection Button To use this feature multiple security codes must be programmed into the TVS 2 or VPU 15 scrambler The desired button should be programmed to no function in the radio programming software In the MPS software on the Radio tab in the Button Assignment area set the desired button to Code Select Pressing and releasing this button will step the scrambler to the next security code The scrambler will emit a number of beeps corresponding to the code number the scrambler stepped to i e 2 beeps equals security code 2 The maximum number of codes is 4 Password If the password function is enabled the correct password 4 digits using 0 9 must be entered on a compatible numeric keypad on power up If the correct password is not entered within 5 attempts the unit will be disabled If the radio does not have a compatible numeric keypad do not enable this feature Midian s Kryptic Sig
17. nfiguration Download box Confiquration 2 When programming the Conventional Personality Pre Emphasis may be enabled but De Emphasis must be disabled This is because De Emphasis will prevent the scrambler from decoding synchronization data Compression should not be used with the scrambler No or Low Level expansion may be used Check the Option Board Feature box for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Feature only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling Conventional Personality l of 1 LTR Programming 1 In the LS Trunking Personality window check the Option Board Feature box for each personality Check the Option Board Feature box for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Feature only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling 1414 gt ri e XUI ese 2 In the LS Trunking Site window Pre Emphasis should be enabled but De Emphasis must not be enabled This is because De Emphasis will prevent the scrambler from decoding synchronization data The scrambler by its very nature performs De Emphasis function Compression should not be u
18. ng Radios GM 640 GM 660 GM 1280 720 MCX 760 MCX 780 Programming Instructions It is necessary to program the radio before installing the scrambler This is because the Option Board Feature of the radio must be enabled in order to program the scrambler using a RIB box and to hear confirmation beeps from the radio after programming the scrambler 1 Inthe Per Radio Parameters Window set the Option Board Fitted Mode as Advanced A Per Radio Parameters DTMF Tones Lornrkimnal FME Min Tone Duration 3 0 as Min Inter Tone Duration 1 I Disable Short Data Display Range Alert Tone Penod 1 RSSI LO Levei 110 ASSI LI Level 114 RSSI L2 Level 94 Voice Storage Long Press Dwation 3 Voice Storage Warning Duration 3 Option Board Fated Mode Advanced 2 2 Edit the MPT Personality In the Options window check the Option Board Enable box Check Option Board Enable for all channels if using a button to control the mode of the scrambler If doing scrambling on a per channel basis then check Option Board Enable only for scrambled channels It will be necessary to set the power up state of the scrambler to Scramble for per channel scrambling Options Voice Storage Voice Storage Enable Voice Storage Recording Alert sia 4 Voice Storage Full Alest Storage Warming Aleit ne 3 Option Board Enable Option Board Data Index mg
19. sed with the scrambler Expansion should also be disabled Disabled Disabled sex 1 The following two steps apply to the accessory connector and be skipped by most users 5 An accessory pin may be used to control the transmit mode of the scrambler between scramble and clear This is useful in remote control applications To enable this feature one of the radio accessory pins must be assigned to Option Board 1 Input via the CPS programmer 6 An accessory pin may be used to initiate an emergency ANI This allows for an external emergency foot switch or button and frees up one of the radio front buttons To enable this feature one of the radio accessory pins must be assigned to Option Board 2 Input via the CPS programmer The switch must be held in the active state for about 2 seconds before an emergency ANI will be sent Note Accessory pin features do not require any special scrambler programming fi Radio Configuration Voice Storage Microphone Password Home Revert Basic Lights LED s Alert Tones Scan Menu Test Mcnitor Option Board Accessory Configuration Accessory Pins Auxiliary Control Tx Power Accessory Package Pins Function Selection Direcion eulos hae a wemaMcPrWem 2 I v I v Q Detect Output v I v 14 Potion Board 1 Input v Y MOT TVS 2 PRO M MOD 1331 amp MOT VPU 15 PRO M MOD 1331 for 1327 Trunki
20. software You will hear 1 3 beeps from the radio if programmed successfully To read the parameters from the scrambler Click on ReadUnit 13 radio and RIB should be powered down for 3 seconds after reading or programming Important Note Do not attempt to clone the scrambler by reading one and then programming another When the scrambler is read the security codes will be read out as zeroes If another scrambler is then cloned with this information the scramblers will be incompatible because they have different security codes To ensure scramblers communicate with each other program them from a saved file 14 OPERATION Mode Selection Mode selection means a method of turning the scrambler on and off In the MOT TVS 2 PRO and MOT VPU 15 PRO series there are two ways of doing this Per Channel Scramble On Off To use this feature each channel that is designated as a Scrambled channel should have the Option Board Feature box enabled in the radio programming software Channels that are designated as Clear should NOT have the Option Board feature box enabled Additionally the Power Up State in the MPS software should be set to Scramble When using Per Channel Scrambling a button should NOT be programmed for Mode Select in the MPS software Scramble On Off Button To use this feature each channel should have the Option Board Feature box enabled in the radio programming software The desired button should be programmed to no fu
21. splay radios selecting the SoftwareVer option from the utility menu will report the version Consult Motorola if you cannot determine the firmware version Disassembling the Radio Additional disassembly instructions are also available in Motorola s Basic Service Manual 1 Disconnect power 2 Remove plastic cover from the radio chassis by prying the sides away and lifting up 3 Remove the 6 retaining bolts from the metal lid using a Torx size 20 screwdriver Carefully begin removing the lid If there is already an option board installed such as a voice storage board disconnect it by gently lifting the latch holding the 40 pin flex cable in place 4 Remove the lid completely Unscrew the three bolts holding the option board frame to the lid if one is present Note It is not recommended to use the radio for transmitting while disassembled as some model radios require the lid to be installed for RF power Installing the Scrambler 1 Insert the 40 pin flex cable into the 40 pin flex connector on the scrambler making certain it is seated properly then close the latch The silver foil side of the flex should face the edge of the board Scrambler Side Radio Side 11 2 scrambler is then mounted into the metal lid of the radio using the option board mounting kit See pictures below The mounting kit is ordered from Midian as PRO Option B or from Motorola as RLN4823B The mounting kit includes the 40 pin flex cable
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