SOLO4 `DropCam` User Manual
Contents
1. soan Packet Structure Sending from PC annen Packet Structure Reply from controlled device Transmitter Command List oenen eneen Default ConfigurationS EE Te 8 Change History Version Main Changes from Previous Version Edited By v1 0 Initial Release MB About this Manual This manual describes the operation of domo DropCam Transmitter The manual is divided into three main sections Getting started and basic operation This section describes to users how to deploy and use a domo DropCam transmitter Advanced operation This section describes the operation of the equipment in more detail concentrating particularly on how to store and recall configurations with use of the PC Controller Application Technical reference This section provides technical specification and control protocol data and will be of interest to those integrating the DropCam into a larger system Introduction The SOLO4 DropCam is a rapid deployment COFDM digital video transmitter kit The DropCam incorporates camera microphone battery and battery charger into a robust IP66 housing The small size and low power consumption of the SOLO4 DropCam make it the product of choice for rapid deployment camera scenarios such as surveillance or building clearance The SOLO4 DropCam transmitter employs MPEG2 MPEG4 is also available encoding for excellent image quality retention Equipped with integral C2. 8 8kHz 8cbit M 9 32kHz MPEG Layer1 stereo 10 32kHz MPEG Layer1 mono 11 48kHz MPEG Layer1 stereo 12 48kHz MPEG Layer1 mono 13 32kHz MPEG Layer2 stereo 14 32kHz MPEG Layer2 mono 15 48kHz MPEG Layer2 stereo 16 48kHz MPEG Layer2 mono 1byte 0 OdB line level 1 12dB mic level 2 24dB mic level 3 36dB mic level 4 48dB mic level and 4 also enables ALC 1byte 2 64kbit 3 96kbit 4 128kbit 5 160kbit 6 192kbit 7 224kbit 8 256kbit 9 288kbit 10 320kbit 11 352kbit 12 384kbit 13 416kbit 14 448kbit 2 48kbit 3 56kbit 4 64kbit 5 80kbit 6 96kbit 7 112kbit 8 128kbit 9 160kbit 10 192kbit 11 224kbit 12 256kbit 13 320kbit 14 384kbit 0 default Other value 0 default Other value DID value 0 disabled 1 enabled Type int int int int int int int Audio Source MPEG Audio Offset rw r w src pts 0 analogue 1 aes ebu digital 2 embedded PTS offset for MPEG Audio Type g messages for Unit Level commands Function Software Version FPGA Version Serial Number License Code Narrow band Service Name Set Unit address Load Configuration Number Restore Default Build Sleep Mode Front Panel Lock DVB T Service name Heart beat enable License Mask Board Type Unit Type Turn LEDs Off Core Temperature VCC Int
3. Bit 2 Input Switch O ASI 1 Chaining Bit 3 Output Switch O ASI 1 Chaining Eg 0 ASI in and out 12 Chaining in and out Type c messages for Calibration commands Function Lowest Operating Frequency Highest Operating Frequency Intermediate Operating Frequency 1 Intermediate Operating Frequency 2 Calibration point lowest Calibration point intermediate 1 Calibration point intermediate 2 Calibration point highest RF level vs temperature offset gradient RF level vs temperature offset mid point R W r w rw rw r w rw rw rw rw r w rw Block Command C flo C fhi C fl C fl2 C pl1 C pl2 C pl3 C pl4 C rtg C rtm 35 Data Frequency in MHz Frequency in MHz Frequency in MHz Frequency in MHz 0 32 in 0 25dB steps 0 32 in 0 25dB steps 0 32 in 0 25dB steps 0 32 in 0 25dB steps 0 8 default 4 1dB 10 C to 1dB 10 C gain in 0 25dB steps 0 100 C mid point for RF level temperature gradient Type int int int int int int Type double double double double int int int int Int int Default Configurations This section tabulates the default configuration settings for domo SOLO 36 products Item DROPCAM x 200250 2 0 DROPCAM x 100150 1 0 to 2 5GHz to 1 5GHz RF Output OFF OFF Frequency 2405MHz 1395MHZ Modulation QPSK QPSK Power Maximum Maximum Standby OFF
4. T modes the user must first click on Advanced to enter the Advanced setting page Turns On or Off a basic audio setting the audio settings are optimised considering the bit rate of the selected Transmit mode The user can set there own audio settings using the Advanced page if required Default Transmit Mode Scrambling File Options In Narrowband the user has the following pre defined modes available from the main window Note that the Ultra Long Range Mode is only available to users who have purchased the SOLO4TXUP option 1 25MHz and MPEG 4 modes The user can of course define their own specific FEC bandwidth and modulation requirements from the Advanced page Ultra Long Range 1 25MHz QPSK FEC 1 3 optional Long Range 2 5MHz QPSK FEC 1 3 Medium Range 2 5MHz QPSK FEC 2 3 Short Range 2 5MHz 16QAM FEC 2 3 In DVB T the available modes are QPSK _ FEC 8MHz 1 32 Guard Interval QPSK _ FEC 8MHz 1 32 Guard Interval 16QAM _ FEC 8MHz 1 32 Guard Interval If the AES scrambling option has been purchased for the SOLO4 DropCam system in use then it is possible to encrypt the link Scrambling must be enabled at the transmitter by selecting either AES128 or AES 256 in the scrambling field The actual scrambling key can then be entered by clicking on the yellow key icon Load Config used for loading a single configuration data from text file Save Config used for saving configuration data to t
5. VCC Aux Charger Status R W r rw rw r w rw rw r w rw Block g Q 32 Command ver fpg ser lic nam add lod def sle fpl dna blo Ima bty uty lof tmp vnt vax cst Data Software version number FPGA version number Hex based serial number License number for software facilities Unit Name String Unit Address 0001 9998 Config Number 0 No 1 Yes 0 No 1 Yes 0 unlocked 1 locked Unit Name String 0 off 1 on Returns hex value with bits as follow 0 Video 1 4 2 2 2 Set to 0 3 Set to 0 4 Ultra Narrowband and MPEG4 5 Narrowband 6 DVB T 7 License Exempt 8 SDI 9 Set to 0 10 AES128 11 AES256 12 Berypt128 13 Set to 1 14 Berypt256 15 Set to 1 Returns D550 12 D550 13 D551 0 LEDs on 1 LEDs off Temperature in degrees C Voltage Voltage Address 5001 only 1 idle 1 charging int int Type Hex string Hex string Hex string Hex string string int int int int int string int hex string integer integer Integer Integer Integer integer Drop cam voltage Drop Cam charger current 33 vch Ccu 2 discharging 3 temp fault 4 bad battery Voltage in multiples of 100mV Current in multiples of 10mA Type p messages for SI Function PCR PID PMT PID Video Stream
6. on the unit on external power Press the button the display will show the last configuration used To change the configuration repeatedly press button the configuration number will cycle from 1 to 8 and then back to 1 release the button when you have reached the desired configuration After approximately 10 seconds the display will shut off the LED will continue to flash once per second to show charging status To turn off the unit press and hold the button the display will show the configuration number and then turn off as will the LED Setting the configuration Connect a PC serial port to the 9 way d type connector on the external lead use the Solo4 Transmitter controller software downloadable from the link below When external comms are connected the decimal point on the seven segment display will light With external comms active the button ceases to function DC Power Source The transmitter unit can be powered from a nominal 12V DC supply or an AC to DC adapted supply The connected 12V DC input should have the following characteristics Input Voltage Range 6V to 16V reverse voltage protected The internal battery will charge on 12 5V and above Current draw 0 45A at 12V mode dependant The domo Field Gun controller The domo Field Gun controller is an in line controller designed specifically for field use The controller can be connected directly to the DropCam transmitter and used to set fre
7. side of the unit is the external connector The purpose of this is to allow external charging from a supply of 12 18VDC 2A and communications with Solo4 Transmitter controller software running on a host PC 9 Charging the unit From the off condition Display and LED off insert the external connector and apply external power The seven segment display will show a chase display the LED will give an indication of the charge status based on current drawn by the battery Flashing orange indicates the battery is in boost charge mode flashing green indicates trickle charge mode and solid green indicates fully charged When fully charged the seven segment display will show C It is possible to turn on the unit whilst it is being charged see Powering on the unit on external power below Powering on the unit on internal battery Press and hold the button until the turns on then release the button The unit will power on in the last configuration it was used on To change the configuration repeatedly press button the configuration number will cycle from 1 to 8 and then back to 1 release the button when you have reached the desired configuration After approximately 10 seconds the display will shut off the LED will continue to flash briefly once per second to show battery status To turn off the unit press and hold the button the display will show the configuration number and then turn off as will the LED Powering
8. 0150 1 to 1 5GHz SOL4DCAM P 2002500 2 to 2 5GHz P indicates PAL SOL4DCAM N 030040 300 450MHz N indicates SOL4DCAM N 100150 1 to 1 5GHz NTSC SOL4DCAM N 2002500 2 to 2 5GHz TORCP Torch Clip Torch Clip Control Button Controls The DropCam has single button control panel a seven segment display indicator and an LED The button allows users to cycle between 8 internally stored configurations The internal configurations can be programmed by connecting a local PC and using the domo PC control GUI application or alternatively by using the separate domo Field Gun controller The use of the domo PC GUI application is described fully in section 3 Advanced Operation The picture below shows the DropCam control panel Control Button Functions Current State Action Off Press and Hold for 3 seconds On Press and Hold for 3 seconds On Press Briefly Status Display Current State Display Off Chasing display Off C displayed On Number 1 8 displayed On Decimal point displayed Battery Charging and Powering On Status Display Battery LED Next State On Off Config number is incremented Meaning DropCam is charging DropCam is fully charged Current configuration number External control connected The SOL4DCAM is designed as an integrated camera microphone transmitter and battery solution It has a single control button which is used for on off and configuration selection purposes On the left hand
9. ID Audio Stream ID Transport Stream Version Provider Name R W rw rw r w rw rv rw Block p Command cpd mpd sid sid Svr pro Type d messages for Data commands Function Data On Off Input Data Baudrate Data PID Metadata Enable Metadata PID R W r w r w r w r w r w Block d 34 Command inp bau pid eta pid Data Type 0 default int Other value 0 default int Other value 0 default int Other value 0 default int Other value 0 default int Other value 0 default string Other value Data Type 1 byte int 0 Off 1 On 2 On even parity 3 On odd parity 1 byte int 0 1200 baud 1 2400 baud 2 4800 baud 3 9600 baud 4 19200 baud 5 38400 baud 6 57600 baud note 57600 is not supported in DVB T modes 7 115200 baud 0 default int Other value 1 byte int 0 Off 1 On 0 default int Other value Type c messages for Chaining commands Function Chaining Input Chaining Output Chaining Loop Chaining status describes if chaining input is active Chain Number Transport Stream Switch R W rw r w rw r w r w Block Command C inp C out C hio C sta C cha g OSW Data 0 Off 1 On 2 Relay 0 Off 1 On 0 Off 1 output loop to input for external encryption 0 Not Active 1 Active 2 Overflow 0 9
10. Mbps double Only applicable when chain in enabled Video r w e hor 1 byte int Horizontal 0 704 resolution 1 528 2 480 3 352 Sleep if no r w V sle 0 normal int video lock 1 sleep if no video MPEG mode r w e enc 0 MPEG2 int 1 MPEG4 MPEG2 r w e gop 0 stripe refresh int GOP length mode default 1 intra only 2 100 GOP length in frames MPEG4 r w e frm 0 full int frame rate 1 1 2 2 1 4 3 1 8 4 1 24 MPEG4 r w e cmd 0 low delay encoding interlaced default option 1 standard delay interlaced 2 low delay progressive 3 standard delay progressive MPEG4 r w e sha 0 normal default int video 1 sharp sharpness Manual r w e vbr Video bitrate int Video Bitrate manual over ride 0 no override default Non zero sets the video bit rate in kbps Video Profile r w e pro 0 4 2 0 int 1 4 2 2 Video PID r w V pid 0 default int Other value 30 Type a messages for Audio commands applies to audio channel 1 and audio channel 2 Function Audio Encoder Audio Input Level MPEG Layer 1 Audio Bitrate MPEG Layer 2 Audio Bitrate Audio PID 1 Audio PID 2 Audio DID SDI Data Identifier Audio 2 enable R W rw rw r w r w rw r w rw Block a 31 Command enc lev mpr pd1 pd2 did en2 Data 1 byte 0 Off 1 32kHz 12cbit S 2 32kHz 12cbit M 3 32kHz 8cbit S 4 32kHz 8cbit M 5 16kHz 8cbit S 6 16kHz 8cbit M 7 8kHz 8cbit S
11. OFDM modulation the transmitter is ideal for establishing rugged wireless video links in all environments including mobile and urban environments Offering several user selectable modes that trade off image quality against range the SOLO4 transmitter is ideal for all mission types Security is ensured with optional in AES128 256 Encryption The SOLO4 DropCam transmitter will transmit images in a non line of sight environment up to 750m depending on mode and frequency further range can be achieved with the booster PA The DropCam can be mounted using a tripod screw in the base or using the built in magnetic strip The DropCam can also be attached to baton style torches by using the optional torch clip IMPORTANT NOTE The SOLO4 and SOLO2 product range has been specifically designed for government security and law enforcement users the equipment will tune across frequencies that are only available to licensed government users Non government users should employ the equipment restricted to the license exempt bands only typically 1 389 to 1 399GHz 2 400 to 2 483GHz and 5 725 to 5 875GHz or in bands specified by the appropriate authorities Warranty and Support 1 1 Warranty Cover domo offers a 12 month standard product warranty During this period should the customer encounter a fault with the equipment we recommend the following course of action Check the support section of the website for information on that product and any softw
12. OFF Unit Address 0001 0001 Unit name Solo 01 SOLO4 Unit 1 SOLO2 Solo 01 SOLO4 Unit 1 SOLO2 Horizontal 528 528 Resolution Video Input X P PAL X P PAL X N NTSC X N NTSC Audio OFF OFF Data OFF OFF Audio Input Line level Line level Scrambling OFF OFF AES Key None None
13. Users Manual SOLO4 DropCam User Manual Cobham Surveillance Domo Products 11 Manor Court Barnes Wallis Road Segensworth Hampshire PO15 5TH England Version 1 0 T 44 0 1489 566 750 01 October 2009 F 44 0 1489 880 538 Table of Contents Table of Contents uunnnuunnnunnnnunnnnnunnnnunnnnunnnnunnnnunnnnnunnnnunnnnunnn Change History En About this Manual vunannnennnnneunnnnnennnnnnennnnnnnnnnnnennnnnnnennnnnnunnnnne EO ee EEE EE EE EN Warranty and Support xnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnn EA Safety Compliance and Approvals aanne eneen ene eneene 1 Safe Operating Procedures sano ene ene eneeneene eneen EMC Safety and Radio Approvals aaneen 1 3 CE marking EN NO OO Getting Started and Basic Operation a annnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 1 1 Which Model do I have cece ccc eeeeeeeeeeeeeuaeeuaeeuaues Advanced OperatiOn as aavnannnnnnnnnnnnnnnunnnnnnunnennnennnnnnunnnunnennnennn 1 1 SOLO System PC Controller Application Software 1 2 Transmitter Control Application sv annv ennen Aa EERE Connector Pin OUIS is iiiiciiiaiiuinsiaciccasiaaadcuiadasdemmaaadentsaadeereebetwadenes _ 1 Power and Control Zpin Binder 712 Series PN 99 0422 0007 ra w IND IO D ontrol Protocols unannnennnnnnennnnnnnnnnnnennnnnnennnnnnunnnnnnnunnnnnnvnnnnne RS232 Control General Principles
14. are firmware upgrades If fault persists Call our support line and report the fault If fault persists and you are informed to return the product please obtain an RMA number from the domo support department and ship the equipment with the RMA number displayed and a description of the fault Please email the support section the airway bill consignment number for tracking purposes If you have extended warranty provisions then domo will send an immediate advance replacement to you Under most circumstances this must be returned once the fault item is repaired Depending on the nature of the fault domo endeavor to repair the equipment and return it to the customer within 14 days of the item arriving at our workshops Obviously it is impossible to cater for all types of faults and to manage 100 replacement part availability and delays are sometimes inevitable This is why domo recommend that its customers take out an extended warranty which includes advanced replacement of faulty items and or hold a basic level of spare parts which can be held by domo on the customer s behalf Please contact domo for details of packages that can be tailored to meet your individual needs whether they are service availability technical training local geographic support or dedicated spares holdings Safety Compliance and Approvals 1 1 Safe Operating Procedures Ensure that the power supply arrangements are adequate to meet the stated requirem
15. by entering the new desired frequency in this field Values outside the range supported by a particular transmitter type will be rounded to the highest of lowest supported frequency as appropriate The transmit frequency can be set in step sizes of 250kHz Modulation Bandwidth For the SOLO2 transmitter products the modulation bandwidths 8 7 or 6MHz can be selected For the SOLO4 transmitter products the modulation bandwidths 8 7 6 or 2 5MHz can be selected If the Ultra Narrow band upgrade has been purchased the 1 25MHz will also be available to select The normal mode of operation is 2 5MHz Modulation Output This control is used to turn on and off the RF output After a configuration change the output always reverts to OFF Narrow Band FEC This option applies to SOLO4 transmitters only The default FEC is 2 3 however improved range operation can be achieved by selecting FEC 1 3 FEC 1 3 will improve signal range by 3dB However FEC 1 3 reduces link capacity to 1 2Mb s therefore reducing picture quality 18 FEC Link Bitrate Sensitivity 2 3 2 4Mb s 99dBm 1 3 1 2Mb s 102dBm Narrow Band Guard Interval This option applies to SOLO4 transmitters only The Guard Interval defaults to 1 16 Interval 1 8 is also available for very long range aircraft downlinks applications Narrow Band Modulation This option applies to SOLO4 transmitters only The COFDM mode can be changed between QPSK and 16QAM QPSK is the default
16. e the audio gain to be applied to the audio input signal OdB is used for line level audio and various options up to 48dB of gain can be applied for microphone inputs This field allows the user to enter an identifier for the service that they wish to transmit This must match that selected at the receiver for the service to be decoded The unit name can be constructed of any eight ASCII characters This control allows the unit to be forced into a Sleep Mode where main functions are disabled and the power consumption is significantly reduced 21 Data With this ON OFF control the user can select whether the transmitter passes serial RS232 data across the RF link to the receiver Data Baud Rate This field is used to select the baud rate of any RS232 serial data component to be passed from the transmitter to the receiver across the RF link Chaining Input This control is not used in current SOLO products Chain Number This control is not used in current SOLO products Current Config This field reports the last loaded configuration number Note that for the SOLO transmitter changes applied after the configuration has been loaded are saved immediately into the current configuration Scrambling If the AES scrambling option has been purchased for the SOLO2 or SOLO4 system in use then it is possible to encrypt the link Scrambling must be enabled at the transmitter by selecting either AES128 or AES 256 in the scrambling fi
17. eld At this point the user will need to ensure that the correct key is in use and this is done by using Options Write AES Key The key is a 128bit key for AES128 and a 256bit key for AES256 and is entered as either 32 or 64 ASCII hexadecimal characters 0 F Video Locked Status Only This status information indicated whether the transmitter is successfully locked to the incoming composite video signal Unlocked status may indicate cabling faults or poor quality incoming video feeds to the unit Software Version Status Only This status information describes the version of the software running the SOLO transmitter product FPGA Version Status Only This information is for domo engineering use only 22 Serial Number Status Only This status information is the electronic serial number of the transmitter PCB This number can be exchanged with domo to purchase extra licensable features such as upgrades to support AES encryption Chaining Status Only Options File This field reports the status of the chaining input to the SOLO transmitter and is not active in current units Engineering provides access to further diagnostic and calibration features The Diagnostic and Power calibration pages must not be altered The Advanced Options under the Engineering menu allow the user to Change RS232 address which can be useful when connecting multiple units together via a multi drop RS485 bus for control purposes The Ser
18. ents of the DROPCAM transmitter Operate within the environmental limits specified for the product Only authorized trained personnel should open the product There are no functions that required the User to gain access to the interior of the product 1 2 EMC Safety and Radio Approvals The equipment has been designed to meet and has been tested against the following harmonized EMC and safety standards EN 301 489 1 amp EN 301 489 5 EN 61000 3 2 2000 EN 61000 3 3 1995 EN 55022 1998 Class B EN 61000 4 2 1995 EN 61000 4 3 1996 EN 61000 4 4 1995 EN 61000 4 5 1995 EN 61000 4 6 1996 EN 61000 4 11 1994 EN 60950 2000 1 3 CE marking The CE mark is affixed to all SOLO4 and SOLO2 products and the CE Declaration of Conformity as well as the technical file are available on request Getting Started and Basic Operation 1 1 The DropCam is marked with a product code panel as shown below the Accompanying items 1 x Rugged Case 1 x Operator instructions 1 x Control and DC cable 1 x AC to DC adaptors 1 x 8mm Lens 1 x 15mm Lens 1 x Right Angle Magnetic Clip 1 x 2dBi Omni Antenna 1 x tools for lens replacement Which Model do I have panel gives the product code serial number and bar code domo SOL4DCAM P 200250 SN 123456 Made in the UK CE The domo product code can be referenced in the table below Product Code Product SOL4DCAM P 030450 300 450MHz DropCam kit SOL4DCAM P 10
19. ext file Load Config Set used for loading all 8 configurations from a text file Save Config Set used for saving all 8 configurations to a text file 17 LE Advanced options Unit information Video locked Software version FPGA version Serial number License mask Chaining Advanced TX Controller Window Yes 1 la 810 Dedaf328 0000fc73 N ot active Unit parameters Output frequency MHz Modulation bandwidth Modulation output Narrowband FEC Narrowband guard interval Narrowband modulation DYBT service name DYBT FEC rate DYBT guard interval DYBT modulation DWBT spectrum inversion DYBET 4KHz offset 2405 00 8MHz On v 2 3 v 1 16 v QPSK Unit 1 1 2 1 32 QPSK Normal None Video input MPEG mode MPEG4 encoding mode MPEG4 frame rate Video bitrate Mbit s Horizontal resolution Video sharpness Video profile Audio encoder Audio input level MPEG Audio rate Unit name PAL v MPEG2 v Low delay interlace w Full n 528 v Normal 4 20 Off v OdB v 256kbits s v Solo 01 Manual Sleep mode Data Data baud rate Apply Preset transmit mode None selected w Output power High vi Output attenuation high dB 0 00 Output attenuation low dB 3200 Chaining input Chain no Chaining output Current config Scrambling Heartbeat enable Output Frequency MHz The transmit frequency can be changed
20. for out door deployment in adverse conditions The DropCam unit is supplied with a range of mounting options to facilitate easy deployment 1 _ threaded tripod mount in the base of the DropCam facilitates the connection to general purpose tripods and camera mounts 2 Magnetic base strip and right angle magnetic bracket allow the DropCam to attach to metal surfaces in various orientations 3 Torch mount bracket The optional torch bracket allows the DropCam to be attached to a baton style torch for use in first responder applications 13 Advanced Operation 1 1 SOLO System PC Controller Application Software Advanced control of the SOLO4 DropCam system is available by using PC control applications Typically users may want to customize the default configurations to control settings such as frequency scrambling keys modulation parameters and video resolution The SOLO4 DropCam transmitter products are controlled by the solo tx ctrl exe application available on the CD delivered with the product Note that exact file names may change as software version information is a part of domo file names A PC is required with two RS232 Serial COM ports to control both a transmitter and receiver simultaneously Where changes are to be made to either a transmitter or a receiver at different times a PC with a single RS232 Serial COM part can be used Installation of the two control programs is as simple as copying them f
21. ge 0 9999 R 20h 7Eh 1 byte command type r read w write or m misc 20h 7E 1 byte indicator of internal data block ABC 20h 7Eh Command three byte mnemonic 3Bh Separator PQR 20h 7Eh Data Optional variable length 3Bh Separator X 20h 7Eh Sum Check ETX O3h End byte 26 1 3 Packet Structure Reply from controlled device ASCII Value STX 02h Start byte 0 9 30h 39h 4 byte unit address In range 0 9999 Z 20h 7Eh Status BYTE PQR 20h 7Eh Data Optional variable length 3Bh Separator X 20h 7Eh Sum Check ETX O3h End byte The Sum check byte is the summation of all bytes in the packet not including the start and end bytes Higher order bytes are ignored and the final byte result is modified to prevent ASCII control characters being sent Bit 7 highest is forced high Status byte will indicate command performed OK or indicate an error ASCII Meaning 1 All OK E General error Command could not be actioned Typically E will be returned if the message is formatted incorrectly Separators in wrong place or if commands are in upper case or if commands do not match against the allowed list of commands or if the checksum is wrong Addresses in the range 0001 to 9998 are for general use Address 0000 is reserved and 9999 is a broadcast address i e any device will reply to this address Its reply will contain its own specific address All data in the transmitter and receiver is stored as one of 5 data types Double St
22. h an internal camera The camera is either PAL or NTSC depending on the model number of the DropCam Camera Type _ CMOS Fixed Focal 3 4mm 56deg H FOV F2 0 Interchangable Lenses 8mm and 16mm Pixels 640 480 Resolution gt 460 TVL Sensitivity 0 05Lux Signal to noise gt 46dB The 3 4mm Lens fitted as standard offers a wide field of view suitable for surveying a room However the DropCam has standard M12 lenses and is supplied with additional lenses for longer range surveillance Changing the Lens Interchanging lenses is a user operation and there is no need to return the equipment to domo to do this Using the tools provided in the DropCam kit the camera lens cover can be removed Removal of the camera lens cover is achieved by removing the six screws in the cover as shown below Camera Lens screws remove all six to expose Lens With the camera lens cover removed simply loosen the grubber screw that fixes the lens position and unscrew the lens New lenses can then be screwed into the camera users will need to focus the lens on a target before tightening the grubber screw and replacing the lens cover Lens colour scheme 3 4mm Lens Black 8mm Lens Yellow 12 16mm Lens Red The Microphone The DropCam is equipped with an internal microphone mounted just below the camera Microphone Type Omni 50 13KHz Sensitivity 60dB 3dB Mounting the DropCam The DropCam is a rugged device designed
23. ial control dialogue box allows the user to change timeouts used during the serial communications between the unit and the controller Enable Polling selecting this option makes the control application automatically refresh the data presented to the user every few seconds Polling Options selecting this option allows the user to define parameters to be regularly polled Write Encryption Key opens a dialogue box for entering an ABS or AES scrambling key as 32 ASCII hexadecimal characters 0 F Write License Code open a further box for entering license codes for the activation of licensable features e g AES scrambling in the transmitter Contact domo for support in applying new licenses as required Restore Defaults restores factory default settings in the transmitter Set Icon Source Set logo source Set logo size and Set application title allow the user to define a controller branding Exit exits the SOLO receiver control application 23 Fault Finding Symptom No RF Link Poor link performance Blue screen at receiver Reduced Image quality No audio Suggested Action Check a suitable transmitter RF source is active on correct frequency Ensure Downconverters are connected Ensure antennas are connected to downconverters Ensure there is no interfering signal Poor performance of the link can occur for the following reasons Interference Should an interfering RF signal occu
24. ite video input standard Options are PAL and NTSC both with and without 7 5 IRE pedestal The licensed SDI digital video input can also be selected The default encoding mode is MPEG2 however for SOLO4 products if the Ultra Narrow Band upgrade has been purchased then MPEG4 will also be available It is recommended that MPEG4 be employed when the unit is operating at low bitrates 2 5MHz bandwidth FEC1 3 or 1 25MHz bandwidth FEC 1 3 MPEG2 GOP Length By default MPEG2 GOP length is set to a low delay stripe refresh mode This option allows the user to set the GOP length for a standard GOP structure at the expensive of an additional delay MPEG4 Encoding Mode This option is only available on SOLO4 products installed with the Ultra Narrow Band Upgrade This defaults to low delay interlace Other modes are available but advice should be sought from domo before selection MPEG4 Frame Rate Video Bitrate This option is only available on SOLO4 products installed with the Ultra Narrow Band Upgrade This option allows the user to select lower frame rate encoding 1 2 frame rate _ 1 8 etc It is recommended that MPEG4 reduced frame rates be employed when the unit is operating at low bitrates 1 25MHz bandwidth FEC1 3 This control can be used to set the video bitrate within the constraints of capacity available in the channel but only when Chaining Input is set to ON When the Manual radio button is enabled the user can man
25. mode and will give the strongest most rugged RF link performance Selecting 16QAM reduces the link performance by 5dB but improves the link data throughput giving significantly better video quality Note The terminology DVB T refers to the 8 7 6MHz wide bandwidth modulation employed in the SOLO2 products The SOLO4 product is also capable of DVB T but this mode is not recommended for normal operation DVB T Service Name Applicable in DVB T mode only defaults to Unit 1 This should not be changed in normal operation DVB T FEC Applicable in DVB T mode only the default FEC is Other FEC rates will all reduce the range of the product but will improve image quality and capacity of the link DVB T Guard Interval Applicable in DVB T mode only The Guard Interval defaults to 1 32 Other guard intervals such as 1 16 or 1 8 are available for very long range aircraft downlinks applications DVB T Modulation Applicable in DVB T mode only the COFDM mode can be changed between QPSK 16QAM and 64QAM QPSK is the default mode and will give the strongest most rugged RF link performance Selecting 16QAM reduces the link performance by 5dB but improves the link data throughput giving significantly better video quality 19 Output Attenuation Video Input MPEG Mode This control can be used to make minor adjustments to the output power level but in normal operation should be disregarded This control is used to select the compos
26. plication Engineering Polling Set Polling Enter an Enter a Menu Enable Options Encryption Licence key Key Restore Connectivity Factory Status Defaults TX Solo4 transmitter contral File etic E P P gt Polina d abia Fort COME Pae Connected Config 2 Config 3 Config 4 Config 5 Config 6 Contig 7 Config 8 EX Current en Output frequency MHz Save contig to file Load config from file selected put frequency MHz 2405 00 Config Bandwidth mode DVBT Default transmit mode QPSK FEC 1 2 MHz Guard interval 1 3 v Audio cee z All parameter Scrambling Dil vl changes must be applied Apply Refresh Load contig zet Save contig set Video lock HF output Connection status Videoalarm Communications Connected RF Output Toggle amp status The Advanced button allows the user to navigate to the controller page which exposes all available Transmitter settings Output Frequency MHz The transmit frequency can be changed by entering the new desired frequency in this field Values outside the range supported by a particular transmitter type will be rounded to the highest of lowest supported frequency as appropriate The transmit frequency can be set in step sizes of 250kHz 16 Bandwidth Mode Audio The Bandwidth Mode switches the unit between either domo Narrowband 2 5MHz or 1 25MHz channel bandwidths or DVB T 8MHz bandwidth To select 6MHz and 7MHx DVB
27. quency encryption key and other commonly configured items The use of the Field Gun controller will be explained in more detail in the Field Gun manual 10 DC Power Source The transmitter unit can be powered from a nominal 12V DC supply or an AC to DC adapted supply The connected 12V DC input should have the following characteristics Input Voltage Range 5 9V to 16V reverse voltage protected Current draw 0 35 to 0 28A at 12V mode dependant domo can supply optional AC to DC converter blocks to power the transmitter unit the domo part number is PSU12 Connecting the Antennas The DropCam is supplied with flexible omni directional antennas with a nominal gain of 2dBi The antenna should be connected to the SMA female connector on the rear of the unit care should be taken to not over tighten the SMA The supplied antennas are suitable for all general purpose transmissions however for longer range transmissions customers may choose to connect higher gain antennas and domo has a range of suitable high gain antennas to offer Range of Operation The 100mW COFDM output available from the DropCam will typically achieve a range of 200 500m in a non line of sight urban environment and a range of 5km where line of sight is available 11 The Camera Greater ranges can be achieved by the use external power amplifiers or directional antennas for details of this contact domo The DropCam is equipped wit
28. r on the same frequency the performance of the link will be affected Remove the interferer e or move to an alternative frequency Unsuitable antennas or out of band antennas See the antenna sections for guidance on antenna selection and use Reduced transmit power ensure that the attenuation setting on the transmitter is appropriate for direct output or for amplifiers connected Receive antenna positioning were possible mount the receive antennas away from other objects unobstructed and as high as possible Poor alignment of directional antennas No Diversity operation Ensure both down converters are operational Receiver RF LED not lit see No RF Link section Receiver RF LED lit Check video is enabled at the transmitter Check correct unit name is selected at the receiver to match the transmitter Check scrambling keys are matched Image quality is affected by the selected horizontal resolution The image will become progressively softer for each horizontal resolution below the sharpest resolution of 704 pixels Itis advisable to select a horizontal resolution that matches the resolution of the camera Image quality is also affected by the video bit rate which can be read from the video bit rate field of the SOLO transmitter controller The standard setting is 2 3Mb s However enabling audio particularly the high quality audio modes will reduce the video bit rate substantially Therefore ensure an app
29. ring List Integer or HexInteger The data type dictates the contents of the data section of the reply List 1 byte for sending Value is hexadecimal coded as ASCII 2 byte reply Reply represents index into original choice list e g Reply 02 indicates entry 2 in original list Double variable length Reply always contains decimal point and 4 decimal places Can have 1 to 3 digits before decimal Integer 6byte reply integer value with stuffed with preceding zeros e g GOP reply 000012 GOP length 12 String Variable length Reply is string excluding null terminator HexInteger 8byte Hex reply 27 1 4 Transmitter Command List Type o messages for Modulation commands Function Set Modulation IF output Set Narrow Band Modulation FEC Set Narrow Band Modulation Guard Interval Set Narrow Band COFDM mode Set Modulation Freq Spectrum Inversion COFDM Bandwidth Output level attenuation high Output High Low switch Output level attenuation low DVB T FEC DVB T Guard DVB T mode DVB T 4K Offset Range Mode Preset R W rw rw rw rw rw rw r w rw r w rw rw r w rw r w r w Block O Command out fec gua mod fre spe wid lev his lv dfe dgu dmo 4ko 28 Data 1 byte 0 OFF 1 COFDM 1 byte 1 2 3 2 1 3 1 byte 1 1 16 2 1 8 1 byte 0 QPSK 1 16 QAM Set Frequenc
30. rom the CD to a suitable location on the PC No install shield routine is launched Note that the controllers generate their own log and initialisation files so it is best to create a dedicated directory for these applications perhaps with links to the applications from the desktop of the PC Use the supplied cables to connect the chosen COM port s of the PC to unit s to be configured Launch each application in turn by double clicking or using the run command Connection with a SOLO product should be automatic but the user can force selection of the correct COM port using the drop down followed by the Connect button Errors such as the following may appear during the connection process if the PC is unable to automatically ascertain which unit is connected to which COM port Error attempting to read invalid address Error has occurred during polling polling has been disabled 14 For both controllers changes can be made to the unit configuration using the drop down and data entry fields Changes are only applied to the unit when the Apply button is clicked Current values as running in the unit can be read using the Refresh button Parameters that are status information only appear in greyed in the application Further engineering and configuration controls can be found within the Options and File drop down menus in the application title bars 15 1 2 Transmitter Control Ap
31. ropriate audio mode is selected or audio is fully disabled if not required Ensure audio is enabled at the transmitter disabled by default 24 Connector Pin Outs 1 1 Power and Control 7pin Binder 712 Series PN 99 0422 0007 1 Vin a nn 3 232 Control Out of Unit Ker o E 5 232 User Data P 7 Close Contact 2 25 Control Protocols The following section describes the control protocol employed on the RS232 link for controlling the SOLO transmitters and receiver equipment Connection details are detailed in previous sections Note that only features that are licensed for use in the SOLO units can be controlled The protocols listed here cover all possible features Attempting to activate an unlicensed feature will simply result in the command being ignored by the SOLO unit 1 1 RS232 Control General Principles The physical interface is RS232 but this can be converted to RS 485 with an external adapter where multiple units are controlled over one RS 485 bus Normal operation involves sending a packet from the control device normally a PC to the device being controlled If the packet satisfies an address integrity check then the controlled device will action the command and send a reply For compatibility with modems an ASCII style protocol is used Ports are set for 8 bits No parity 1 stop 1 2 Packet Structure Sending from PC ASCII Value STX 02h Start byte 0 9 30h 39h 4 byte unit address In ran
32. ually seta video bitrate upto the maximum value When manual bitrate is selected the user is in control of the video bitrate this can be usefull when configuring chaining systems 20 Horizontal resolution Video Profile Audio Encoder The video coding resolution can be selected from 704 528 480 and 352 pixels Changing the horizontal resolution to lower values will make the coded picture softer Care should be taken to match the horizontal resolution to the resolution of the camera connected to the transmitter this will give best image results This allows the user to select between the default 4 2 0 profile and the ultra high quality 4 2 2 profile only of interest to Broadcast customers Note 4 2 2 is a licensed feature The Audio can be turned on and off with this control Audio is OFF by default but there are several audio modes that vary from very high quality to speech grade that can be selected with this control Enabling audio will degrade the video quality because some of the available data capacity is diverted away from video to audio Selecting high fidelity audio modes will degrade the video quality more than lower fidelity audio modes The Audio encoder can also be switched to 32 kHz and 48 kHz MPEG Layer 1 2 modes Note The Solo4 receiver only supports 48 kHz sampling in MPEG Audio mode and bit rates in the range 192 to 448kbits s Audio Input Level Unit Name Sleep Mode This control is used to defin
33. y in MHz decimal point allowed 1 byte 0 Normal 1 Inverted 0 6MHz 1 7MHz 2 8MHz 3 2 5MHz 4 1 25MHz Default level is 0 Value 0 to 32 1dB steps 0 low level 1 high level default Default level is 32 Value 0 to 32 0 25dB steps 0 1 2 1 2 3 2 3 4 3 5 6 4 7 8 0 1 32 1 1 16 2 1 8 3 1 4 0 QPSK 1 16QAM 2 64QAM 0 none 1 4KHz 2 4KHz 0 none selected default 1 short range 2 medium range 3 long range 4 ultra long range Type int int int int double int list int int int int Int int Type z messages for Scrambling commands Function Scrambling AES Key lower 128 AES Key upper 128 used in AES 256 only ABS key R W rw Block Z 29 Command scr kez kex key Data 1 byte 0 Off 1 ABS 4 AES128 6 AES256 8 Bcrypt128 10 Berypt256 Encryption key for AES lower 128 Encryption key for AES upper 128 Encryption key for ABS Type int Hex string 32 characters Hex string 32 characters Hex string 12 characters Type v and e messages for Video commands Function R W Block Command Data Type Video Input r w V inp 1 byte int 0 Off 2 PAL 3 NTSC 4 NTSC No Pedestal 5 PAL S vid 6 NTSC S vid 7 NTSC S Vid No pedestal 8 SDI PAL 9 SDINTSC Video r Vv loc 1 byte int Locked 0 No 1 Yes Video Bitrate r w e vid Value in
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