User Manual
Contents
1. can be stopped by pressing the button Stop measurement number 7 The measurement can be saved in ASCII format the first column is time and the second is time disparity in microseconds by pressing button Save measurements number 9 Graph can also be saved as a picture in wmf format by pressing button Save picture number 10 After adjusting internal settings of 3D LANC Master it can be connected to camcorders or still cameras via 15 pole connector Figure 3 The time disparity is shown in the second line of LCD display If the number is positive it means that right slave camcorder or still camera the LANC cables are marked is delayed and vice versa The first set of functions is shown on LCD display If connected devices are camcorders the first set of functions is shown on LCD display see table 1 For example by pressing button Tel or Wid the camcorders are zooming in or out synchronously By pressing Rec button the camcorders start recording video Available functions can be changed by pressing Menu Shift key Figure 1 all according to details given in section 1 List of all functions is given in tables and 2 If both camcorders still cameras are connected and powered on then there should be only two characters written at the low right corner of LCD display N L or R characters should not appear all according to table 5 Table 8 List of internal settings of 3D LANC Master which can be2. empty space both devices present C closed loop synchronisation is permanently under control Rechargeable battery voltage 3 0 2 empty battery refill the battery 3 6 normally filled battery 7 9 fully charged battery There are one serial RS232 9 pin connector re charge switch and power supply socket at the right side of 3D LANC Master see Figure 2 With serial communication we can adjust some configuration parameters of 3D LANC Master graphically observe and save time disparity send commands to camcorders still cameras from the PC the software is under development and modify some camcorders still cameras internal settings The connected pins are given in table 6 Shorter description of programmes for adjusting 3D LANC Master and camcorder settings is given in section 2 The re charge switch controls recharging of internal batteries When it is ON the internal rechargeable batteries are filled by the connected external power supply through power supply socket or by LANC power supply signals of connected camcorders or still cameras they have to be switched on Note that battery charging is much more efficient when 3D LANC Master is switched off controlled by the power ON OFF switch see Figure 3 At the left side of 3D LANC Master there is 15 pole male connector 2 5mm stereo socket and power ON OFF switch see Figure 3 First five pins of male connector are connecting 3D LANC Ma
3. shows functioning of the chosen port The data value at particular page address can be inspected by entering appropriate page and address number 3 and pressing button Go to Page Addr number 5 After few seconds the data is displayed in the right column number 4 The data in volatile memory can be changed by entering page address and desired data number 3 and pressing the key Change Data number 6 The non volatile memory can be modified by entering page address and desired data number 3 and pressing the key Save Data number 7 Extreme caution should be taken when modifying volatile and especially non volatile data since camcorder or still camera can become non functional Search of desired page address can be terminated by pressing button STOP number 8 3D LANC Communicator 0 20 zli x Choose COM PORT S COM1 ccona 1 aa Status OK Read Write to E2PROM 3 Uscillate r Page v sr Write to E2PROM 5 E2PROM gt working 6 r Sync Graph Stop Measurement Y 9 Save measurements Save picture 1 Use Value Figure 4 Adjusting parameters of 3D LANC Master and monitoring time disparity can be done by 3D LANC Communicator eee _ x Select Serial Por e COM cg Status OK Page 20 Address 200 00 Data 200 00 Go to Page ddr 5 Change Data 6 Save data STOP 8 Figure 5 Adjusting of camcorder s and still
4. 3D LANC Master User Manual Version 0 11 3D LANC Master is a device that synchronises two camcorders or still cameras The device can also keep in synchronisation some of Sony camcorders by modifying camcorder s frame rate 1 Basic description of 3D LANC Master The device consists of 4 keys LCD screen 15 pole male connector 9 pole female connector DB9 2 5mm stereo socket 2 switches and one power supply connector Figure 1 shows the front view of 3D LANC Master There are 4 keys where 3 are function keys and one is Menu Shift key Function dedicated to each function key is displayed at the top line of LCD display Short click on Menu Shift key changes current set of functions dedicated to function keys The available number of set of functions depends on connected devices Figure Front view of 3D LANC Master Table 1 Available set of functions for camcorders by shortly pressing Menu Shift key Bold characters denote abbreviations shown on display Set 1 key function 2 key function 3 key function Tel Tele zoom Wid Wide angle zoom Rec Record start recording command zoom in command zoom out video to the tape camcorder s menu Disp toggle display setting Cel user defined Cc2 user defined a time disparity in Us or command command 2 recommended shutter speed If connected devices are camcorders there are 3 sets of functions available see table 1 Short click on Men
5. accessed via 3D LANC Communicator programme Duration of power on pulse in millisecons when connected ms camcorder devices are camcorders Delay between two power on pulses on camcorders in Power on delay us microseconds Namely if the sync between two camcorders is camcorder mostly some positive or negative value it can be compensated by adjusting delay between both power on pulses ms still camera devices are still cameras Delay between two power on pulses on still cameras in Power on delay us microseconds Namely if the sync between two cameras is mostly still camera some positive or negative value it can be compensated by adjusting delay between both power on pulses User defined command 1 for camcorder accessible by keys on 3D camcorder LANC Master User defined command 2 for camcorder accessible by keys on 3D camcorder LANC Master User defined command 3 for camcorder accessible by keys on 3D camcorder LANC Master Command4 User defined command 4 for camcorder accessible by keys on 3D camcorder LANC Master Proportional Factor Proportional factor 1 proportional gain of PI controller for keeping camcorders in sync Integral Factor Integral factor 1 28 integral gain of PI controller for keeping camcorders in sync pee OE one Definition of speed of tele wide command for camcorders camcorders Duration in seconds when camcorders still cameras are switched Power off time s off before switched on again wh
6. camera s internal settings can be done by 3D LANC Doctor Additional information damir vrancic 1js s1 http www e2 ijs si 3dlancmaster
7. en using RST switch OFF ON function One of the most useful functions is RST function which can be obtained in shift function set 1 by keeping Menu Shift key pressed table 2 By pressing RST button while keeping pressed Menu Shift button both camcorders are switched off if the left camcorder is functioning and on synchronously Namely synchronous power on pulse usually brings both camcorders close to synchronisation If connected devices are still cameras the first set of functions is slightly modified see table 3 Instead of Rec button there is Prt button By pressing it both cameras go into pre trigger mode where focus and exposure settings are fixed and locked The function Prt is replaced by Cap on LCD display By pressing the same Cap button again the picture is taken List of all functions for still cameras are given in tables 3 and 4 Some camcorder s internal settings can be modified by programme 3D LANC Doctor the settings can be modified only in left master camcorder still camera It can show and modify the camcorder s data at particular page address First 3D LANC Master should be connected to the PC with serial RS232 cable and switched on Then the programme 3D LANC Doctor should be opened on the PC The screenshot of the programme is given in Figure 5 First serial port COMI or COM should be chosen see number 1 in Figure 5 The status number 2
8. hing on 3D LANC Master and opening the programme 3D LANC Communicator on the PC The screenshot of the programme is given in Figure 4 First serial port COMI or COM2 should be chosen see number 1 in Figure 4 The status number 2 shows functioning of the chosen port Some internal settings of 3D LANC Master can be viewed by selecting particular items in combo box number 3 The value of chosen setting is shown below number 4 The list of internal settings is given in Table 8 The internal settings can be modified by selecting the appropriate setting number 3 modifying the value number 4 and clicking Write to E2PROM button number 5 The new setting will be valid the next time 3D LANC Master is switched on The modified settings are valid immediately without turning off 3D LANC Master by clicking button E2PROM gt working number 6 after clicking Write to E2PROM button 3D LANC Communicator can graphically display time disparity between both camcorders or still cameras by clicking button Start measurement number 7 The graph is shown at the right side number 8 where x axis shows time in seconds and y axis is time disparity in microseconds Some details of the graph during the measurement is taken can be zoomed in by keeping left mouse button pressed and dragging the mouse from left up to right bottom corner of the area which should be enlarged Double click draws complete graph The measurement
9. reviations shown on display 1 key function 2 key function 3 key function 1 Tel Tele zoom Wid Wide angle zoom Prt Cap Pre trigger Capture command command function Table 4 Available set of shift functions for still cameras by keeping pressed Menu Shift key Bold characters denote abbreviations shown on display Disp toggle display setting OFF switch camera off time disparity in Us or recommended shutter speed RST switch camera OFF ON reset Current time disparity between both connected camcorders still cameras is shown at the left side of LCD s bottom line Initially time disparity in us with resolution us is shown Optionally the recommended shutter speed can be displayed this option can be selected in the third set of functions for camcorders see table 1 or among shift functions for still cameras see table 4 1 Ts 1 where Ts is shutter speed in s and S is time disparity in s Namely in stereoscopy it is frequently recommended to use shutter speeds slower or equal to one tenth of the inverse value of time disparity Some status parameters are shown at the right side of LCD s bottom line see Figure 1 The meaning of the letters and numbers is given in table 5 Table 5 Meaning of letters numbers at the right bottom side of LCD display Character NA En Values Description number N no device connected L left device missing NR R right device missing
10. ster with camcorders still cameras by LANC signals while some of remaining pins are used for connecting external keys Figure 2 Serial 9 pole RS232 connector is placed at the right side of 3D LANC Master Table 6 Connected pins of the serial RS232 connector Figure 3 15 pole connector and 2 5mm stereo socket for external LANC remote is placed at the left side of 3D LANC Master Two 3 5mm sockets are not used Table 7 Connected pins of 15 pole male connector Pin number Description Ground OV Left LANC power supply 5V Left LANC signal Right LANC power supply 5V Right LANC signal External key 1 signal External key 2 signal External key 3 signal External key 4 signal 10 15 Reserved for future use 2 Basic functionality of 3D LANC Master Before first use of 3D LANC Master it is recommended to fill up the internal rechargeable batteries Set the voltage on external DC charger to 4 5V 6V set polarity of inner contact and plug in the universal DC charger into the power supply connector Figure 2 Switch on recharge switch Figure 2 while keeping 3D LANC Master switched off Note that first charging of 3D LANC Master should take about 24 hours and subsequent ones about 14 hours When the charging s over it is recommended to adjust some internal settings of 3D LANC Master before connecting it to camcoders still cameras This can be done by connecting 3D LANC Master and PC with serial RS232 cable switc
11. u Shift key when the current set is 3 bring us to set 1 Longer press of Menu Shift key without depressing it invokes additional shift functions They are accessible by keeping Menu Shift key pressed while pressing function keys The shift functions also shown on LCD display depend on current set of functions 1 to 3 They are given in table 2 Table 2 Available set of shift functions for camcorders by keeping pressed Menu Shift key Bold characters denote abbreviations shown on display 1 key function 2 key function 3 key function RST switch camcorder OFF ON reset note that OFF switch camcorder switching off is performed off only if camcorder is on 2 Sbm accessing Ffr focus far change Fnr focus near change camcorder s sub menu focus to distant objects focus to near objects Cc3 user defined Cc4 user defined 3 command 3 command 4 If connected devices are still cameras there is only one set of functions available see table 3 CL go into the closed loop maintain synchronisation Similarly as for camcorders longer press of Menu Shift key without depressing it invokes shift functions They are accessible by keeping Menu Shift key pressed while pressing function keys The shift functions also shown on LCD display are given in table 4 Table 3 Available set of functions for still cameras by shortly pressing Menu Shift key Bold characters denote abb
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