USER GUIDE FOR
Contents
1. for this signal Text size settings PAL Small text 69 x 24 Medium text 44 x 19 Large text 32 7 Default text 52 x 19 For reference the four sizes available are Small font Default font Medium font Large font PAL NISC 69 columns 24rows 20 rows 52 columns 19 rows 16 rows 34 columns 19 rows 16 rows 32 columns 7rows 4 Text shade settings Again separate shades can be selected for the scratch and each of the four stored pages Text shade settings shade For serial port 1 shade scratch page port 2 shade for stored page 1 shade for stored page 2 shade For stored page 3 shade stored page d Examples of the 9 text shades available are shown below Text shade settings Norel unites text lal bla text Bold white t R v lI d White x ISTE text Black on white text Out ined T3 T MERI White on transparent Note the example shown is a striped background to best display the range of shades in this printed manual videoTXT man rev 7 0 15 of 24 When the number corresponding to each text shade is typed the relevant font shade is Immediately shown on screen Some examples of these fonts shown over a video signal are as follows 1 Normal _ 4 6 Black on white CS RAR i C D um qi 26 02 07 e n Oo A nag CY 26 02 01 23 ut L f a 3 di iW 9 1 amie2. returns to the GPS data input settings menu NOTE Should the GPS signal disappear for 4 seconds or more the following warning message will appear NO GPS INPUT videoTXT man rev 7 0 21 of 24 6 Overlay The video TXT is shipped with NETmc Marine s Overlay Manager software which can be used to control the overlay remotely from a PC connected to the overlay s serial port The software is also available as a download from our website www netmcmarine co uk This software can be installed on any PC with a serial port Overlay Manager allows the time date to be generated from the PC which may make it easier to synchronise clocks It also allows the user to type set his page of text before actually seeing it displayed on the video screen which can be very useful if the video is being recorded live Overlay manager also allows multiple screens of data to be configured and toggled between e g header pages and normal running page Additionally all the pages can be saved to disk so operators can have sequences of custom pages saved on disk for each client saving editing or retyping between jobs 1 Overiay E 2 NETvc arar MARINE Date Battam Left Time video TXT man rev 7 0 22 of 24 x Overlay Mew Operi Save Setup MiniMocde NET A W 8 MARINE jc ient Amerada Hess Ltd Contractor Rovtech Ltd Vessel Highland Eagle component GVI amp CP survey o
3. the cursor positioned at 1 1 Cursor right left adjust the column field Cursor up down adjust the row Field Return Escape videoTXT man rev 7 0 saves the neu settings to memoru discards all changes and returns to the Serial text offset menu 19 of 24 Examples of this screen where the positioning has been changed shown below Set Positioning for port 1 When the display is cleared or the cursor is homed by a control code received on serial Port 1 leave the cursor positioned at 1 5 Set positioning for Port 1 When the display is cleared or the cursor is homed by a control code received on serial port 1 leave the cursor positioned at 5 1 7 GPS data input settings If you have a GGA compliant GPS signal available it can be input to serial 2 and enabled using this menu to display latitude and longitude on screen NOTE GPS data should be 4800 8 N 1 GPS data input settings Enable GPS GGA display Disable GPS GGA display Set display positioning An example of a GPS display is shown below 57 30 6967 H 2 12 8873 W videoTXT man rev 7 0 20 of 24 Set displa posSitionina Display GPS GGA data latitude longitude on the ist row of the display counting from the uppermost row a the lowermost row gt Tab cycles the vert alignment setting Cursor up down adjust the vertical offset setting Return saves the new settings to memory Escape discards all changes and
4. Dual Video channel unit Triple Video channel unit Upon powering up the video TXT the following screen is displayed confirming which model is present single dual or triple channel and which firmware version the unit is using MARINE Triple channel Master firmware V5 00 18th January 2008 Slave firmware V5 00 18th January 2008 videoTXT man rev 7 0 3 of 24 2 Rear connections No matter which model has been purchased the back panel will always be populated with 3 sets of BNC connectors This enables easier upgrading of the unit Looking at the rear of the unit the 3 sets of video inputs and outs can be clearly identified 2 SERIALI SERIAL2 AUX CP Ew o VISw lt y As 1 2 External data feeds from a navigation or inspection package e g NaviPac Coabis can be connected to Serial 1 or Serial 2 The serial inputs are 100 independent so a clear screen command sent on Serial 2 will not delete any text being fed from Serial 1 NOTE The keyboard and internal clock output to the same overlay layer as Serial 2 therefore if the keyboard and or internal clock are to be used avoid any external inputs to Serial 2 When making a cable to link between video TXT and a PC this should be a cross over null modem configured as PC videol XT 2 3 3 2 5 5 Data should be sent to the video IXT as 9600 Baud 8 bit No pari
5. USER GUIDE FOR NETmc MARINE video X I MARINE Rev 7 Firmware version 5 00 Contents 1 lntroduction 3 Keyboard Command Index 7 Time and Date Serial Text Offset Settings videoTXT man rev 7 0 GPS Data Input Settings Overlay Manager Troubleshooting SSS SSS NETmc Marine Ltd Dunann Cottage New Deer Turriff Aberdeenshire AB53 6TN Scotland TEL 44 1771 644001 FAX 44 1771 644005 EMAIL support netmcmarine co uk 2 of 24 1 Introduction NETmc Marine s videoTXT is a robust solid state overlay unit capable of overlaying text onto PAL or NTSC video signals The video TXT will detect which type of signal is present automatically Note that if no signal is detected the video TXT will default to PAL settings Housed in a 1U rack mount case the video TXT is capable of placing text on up to separate unsynchronised video signals Data can be input via PS2 keyboard or either of the dual serial ports Up to 1656 characters can be displayed on the screen in 4 selectable font sizes and 9 selectable font shades small font 1656 PAL 1380 NTSC The video TXT has an internal real time clock RTC which allows time and date to be displayed on the screen without being fed from an external source The firmware can be updated in situ via serial port 2 Please contact NETmc Marine Support for more details Available models options Single Video channel unit
6. black text videoTXT man rev 7 0 16 of 24 9 White on transparent 26 02 01 23 03 47 _ i 2 rt a d v Zz 4 5 Channel title settings This option enables brief titles to be set up which will be displayed on each separate screen NOTE All 3 titles will only be displayed when a triple channel overlay is in use With a single channel overlay only the first title text one will be displayed with a dual channel overlay only texts one and two are displayed Channel title settings 1 Enter text For titles 2 Set title positioning Option 1 Enter text for titles Simply type in the text required Enter text for titles Enter title text for channel 1 For channel 2 For channel 3 Cursor left amp right move cursor within text Field Backspace backspaces cursor and deletes the underlying character Delete deletes character under cursor Home moves cursor to start of Field End moves cursor to end of Field Ctrl Delete deletes all text within Field Return saves text to title memory Escape cancels text entry no change videoTXT man rev 7 0 17 of 24 The following screen shows an example where the text for each channel has been entered Enter text for titles Enter title text for channel 1 Diver 1 For channel 2 Diver 2 For channel 3 Diver 3 Cursor left amp right move cursor within text Field Backspace backspaces cursor and deletes the underlying character Delete delet
7. datetoBotomlet 05 5 SetdatetoBottomRight 6 SetdaetoOf o O 9 4 2 bytes must be sent uam s Font Serial port 2 only videoTXT man rev 7 0 6 of 24 4 Keyboard Command Index The keyboard must be connected to the front of the video TXT prior to power up The video TXT is designed to work with any PS2 keyboard A USB keyboard used via a PS2 adapter should also work but this has not been tested Text can be drawn on the screen by typing on the keyboard in the regular manner Caps Lock and Shift keys are supported for capital letters and punctuation characters Select the position on the screen where the text should appear by using the arrow keys Backspace is used to erase text F keys shortcut keys see summary below ESC takes the user out of the menu system DEERE S E TIPPYTIIE x ELLIILE Scratch mode Upon first powering up the unit scratch mode is entered Text will be displayed on the screen as typed into the keyboard This text is lost if any other command is carried out for example entering the menu system or if the videoTXT is switched off The font size and shade can be altered using the menu system via F1 see below The default setting upon power up is that this text is displayed on all channels Text can be disabled from any one or more channels by using shortcut key commands see below NOTE In scratch mode and i
8. e 1 Settings stored page 2 Settings for stored page 3 Settings For stored page 4 CH amp J M Time and date displa settings Disp the the the the the the don t d Tab Shift Tab Return Escape 3 Text size settings lay the time top bottom upper left lt upper right lower left lt lower right isplay time Display the date at the top at the bottom at the upper left at the upper right at the lower left at the lower right don t displau date cycles the time position setting cycles the date position setting saves the new settings to memory discards all changes and returns to the Time and date settings menu It is possible to set different text sizes for the scratch page and for each of the four stored pages NOTE Changing the text size on a stored page also deletes the text on that page Therefore it is important to choose the text size first and then set up the page with the required text Text size settings 1 2 3 4 5 6 videoTXT man rev 7 0 Set size for Set size For Set size For Set size For size For size For serial port 1 scratch page port 2 stored page 1 stored page 2 stored page 3 stored page 4 14 of 24 Choose which page you wish to set the text size for then select the size required from the options below If you are using an NTSC signal the appropriate sizes will be displayed
9. es character under cursor Home moves cursor to start of field End moves cursor to end of Field Ctrl Delete deletes all text within Field Return saves text to title memory Escape cancels text entry no change Channel titles are displayed on all screens To delete the title on any screen simply delete the text for the relevant channel on the above menu screen In the example below no title has been set for Screen 1 Enter text for titles Enter title text for channel 1 For channel 2 Diver 2 For channel 3 Diver 3 Option2 Set title positioning Set title positioning Display titles at the top at the bottom at the upper left at the upper right at the lower left at the lower right Tab cycles the title position setting Return saves the new settings to memory Escape discards all changes and returns to the Channel Title settings menu videoTXT man rev 7 0 18 of 24 The following screen shows an example of a scratch page with the channel title enabled 6 Serial text offset settings Diver 1 This option enables the user to position the text being sent to the video TXT via either of the serial ports This is useful if you cannot change how your serial string device outputs its data Serial text offset settings 1 Set positioning for port 1 Set positioning for port 2 Positioning for port 1 When the display is cleared or the cursor is homed by a control code received on serial port 1 leave
10. f umbilical Risers ROV Tiger 102 widen Ref Caddie 3 Date 28 11 05 DY Recorder HETmc Marine DVRT 51 Date Time 7 Troubleshootin Symptom Text not stable appearing to move up and down screen Cause Poor video input signal Some element of the video signal must be out of spec e g peak peak voltage DC offset sync pulse etc VCH footage otablility can also be an issue if trying to apply overlay to footage acquired on a VCR Cure Clean up the signal check for bad connections double terminations If possible use a time base corrector An isolation transformer may be desirable especially Seaeye ROVs benefit greatly from an in line isolation transformer video TXT man rev 7 0 23 of 24 Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense End of Document videoTXT man rev 7 0 24 of 24
11. format has been selected the user will see a screen similar to the one below Select date Format 1 Select UK Format dd mm yy 2 Select USA Format mm dd yy Selected date format is UK Press Return to accept the changes Press Escape to cancel Option 4 Select current time zone This will be necessary if you wish to synchronise the time with a GPS signal Examples are shown below Select current time zone Time zone is UTC Specify the time zone which will be used when sunchronising the overlau s internal clock with the time reported bu the GPS unit The control keus are Cursor up down increment decrement the interval to be added to subtracted from UTC to obtain the local time in your zone Return saves the new settings to memory Escape discards all changes and returns to the Time and date settings menu Select current time zone Time zone is UTC Oth 00m Select current time zone Time zone is UTC Oih 45m Option5 Sync time with GPS GPGGA Option6 Sync time with GPS GPRMA Notes on the 2 GPS systems the GGA signal is available almost everywhere but the signal carries only the time and not the date therefore the date may need to be correctly manually The RMC signal carries both the date and the time but depending on the location of the vessel may not be available videoTXT man rev 7 0 12 of 24 NOTE Before synchronising the time with the GPS signal the GPS data input must be enabled Therefo
12. low for more details Cursor position The cursor flashes at its current position to facilitate keyboard use This may be on top of time date as in the example below or some text If the keyboard is not used the flashing cursor will disappear after approximately 10 seconds 205207 videoTXT man rev 7 0 8 of 24 Summary of shortcut key commands F1 Brings up the Control Menu see below for more details Note This key only functions when in scratch mode F2 Clears the display if on a stored page the page memory will also be cleared F4 Selects scratch page freestyle volatile text F5 Selects stored page 1 F6 Selects stored page 2 F7 Selects stored page 3 F8 Selects stored page 4 Ctrl F5 Ctrl F6 Ctrl F7 Ctrl F8 Ctrl 1 Ctrl 2 Ctrl 3 Ctrl l Ctrl D Insert Delete Clears stored page 1 Note This and the next 3 key commands can be used whichever page the user is currently on Clears stored page 2 Clears stored page 3 Clears stored page 4 Enables disables the display of keyboard input on video channel 1 Enables disables the display of keyboard input on video channel 2 Enables disables the display of keyboard input on video channel 3 Inserts an empty row at the current cursor position Deletes the row at the current cursor position Toggles between overstrike and insert modes only available when on a stored page Deletes the character underneath the cursor only available when on a sto
13. n this mode only the Insert function on the keyboard has had to be disabled videoTXT man rev 7 0 7 of 24 Stored text Four different pages of text can be stored for future use These are activated by the use of the F5 F6 F7 and F8 shortcut keys setup your stored text 1 select the text size required using the Control Menu option 3 2 select the required shortcut key F5 or F6 or F7 or F8 3 type in the text required The text is recorded automatically and is displayed every time the same shortcut key is pressed Even if the video TXT is powered off the text is stored It is possible to have different text shades and sizes on each page These are chosen through the menu system Select F4 to return to scratch mode and then F1 to enter the menu system see below for more details NOTE changing the text size on a stored page also deletes the text on that page Changing the text shade can be carried out at any time before or after the text has been created Channel titles A short title can be set up for display on each screen in use For example when a triple channel videoTXT is in use the user could display Diver 1 on the first screen Diver 2 on the second screen and Diver 3 on the third screen Channel titles are also retained if the video TXT is powered off NOTE On a single channel overlay only the first title is displayed To set up channel titles use option 5 of the Control menu See be
14. on a stored page switches the keuboard between overstrike and insert Ctrl I inserts an empty row into the page Ctrl D deletes the selected row from the page Refer to the user guide for a detailed description of the available facilities Press any key to continue videoTXT man rev 7 0 10 of 24 2 Time Date Settings Use this menu to change the time on the internal clock or to change the position of the time and date on screen It is also possible to select either UK or US date format and synchronise the time with GPS Time and date settings Check current time and date Set current time and date Select date format Select current time zone Sunc time with GPS GPGGR Syne time with GPS GPRMC Time and date display settings 2 3 4 9 F Option 1 Check current time setting An example screen is shown here Check current time and date 18701708 16 34 03 Press key to continue Option 2 Set current time and date Set current time and date 18701708 16 34 10 S T Enter the date followed bu the time using the number keys and the following control keys Backspace moves the cursor to the left and deletes the digit at this position Escape discards all entries and returns to the Time and date settings menu Option 3 Select date format Select date Format 1 Select UK format dd mm uu 2 Select USA Format mm dd yy videoTXT man rev 7 0 11 of 24 Once
15. re if the following messaqe appears return to Option 7 of the Control Menu sync time with GPS GPGGA ERROR This function can only be used when serial port 2 has been configured to accept input from a GPS unit via the menu Press any key to continue Once correctly selected either of the following screens appears showing that synchronisation with GPS Is in progress sync time with GPS GPGGA Trying to sync time with GPS Press Escape to cancel OTE The date cannot be obtained from the GPS unit sing GPGGA information This Function will try to nsure that the correct date is maintained when the time in your time zone crosses midnight but you should always check and if necessary adjust the date nanually afterwards If possible you should use GPRMC information to synchronise the overlay as this allows the date to be set bu the GPS unit itself Or Sync time with GPS GPRMC Trying to sync time with GPS Press Escape to cancel Once synchronisation is in place a screen similar to the ones below will appear Sync time with GPS GPGGA 22701708 16 54 33 Press key to continue Or Sync time with GPS GPRMC 22 01 08 1 55 2 Press any key to continue videoTXT man rev 7 0 13 of 24 Option 7 Time and date displa y settings Time and date can be displayed in different positions on the scratch and on each of the four stored pages Settings For scratch page Settings For stored pag
16. red page and moves the remainder of the row to the left Backspace Deletes the character to the left of the cursor if on a stored page this key Return moves the remainder of the row to the left Begins a new line on the display Cursor keys Move the cursor in the direction of the arrows Page up Moves the cursor to the upper left of the screen Page down Moves the cursor to the lower right of the screen Home End Moves the cursor to the start of the current row Moves the cursor to the end of the current row videoTXT man rev 7 0 9 of 24 5 Menu Structure The user can enter the menu system by pressing F1 whilst in scratch mode Control menu Help pages Time and date settings Text size settings Text shade settings Channel title settings Serial text offset settings GPS data input settings 1 2 3 5 6 K ONE LOIN OL OI DOM LJ NOTE The example shows a screen where no input signal is connected If a signal is connected the menu will be displayed over this signal In each menu type the appropriate number to select that option Press the Escape key to return to normal display The menu options are described below with screen shots of the pages the user can expect to see 1 Help contains some basic operational and setup tips F2 clears the displays if a stored page is active its text will be erased F4 selects the scratch page F5 to F8 select stored page 1 to 4 Insert when
17. ty 1 stop bit videoTXT man rev 7 0 4 of 24 3 Serial Command Index tor input via the serial port The video TXT command structure follows the established industry standards summary of the commands follows Compatibility with Taylor Lann C Systems IGesScem 10 P Cursor Left OD 18 M Where different channels are in use The default setting is All channels on send to channel 1 only Send 07 followed by 01 send to channel 1 and 2 only Send 07 followed by To send to channels 1 2 and Send 07 followed by 07 send to channel 1 and only Send 07 followed by 05 send to channel 2 and only Send 07 followed by 06 disable all channels Send 07 followed by 00 videoTXT man rev 7 0 5 of 24 Compatibility with Oceantools Systems Code 17 P Cursor Right n a 11 Q Carriage return OD 19 M Time 00 2 bytes must be sent SettimetoTopCentre O1 1 y Settime to Bottom Centre 02 2 Settimeto 03 3 SettimetoTopRight 04 4 Set time to Bottom Left 05 SettimetoBottomRight 06 6 Date ea _ 2 bytes must be sent Set date to Top Centre 01 1 men y Setdate to Bottom Centre 02 2 _SetdatetoTopleft 03 3 Setdateto TopRight 04 4 O1 Set
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