user manual - Arrowhead Forensics
Contents
1. ing Flach CRIME Manual V 1 CONTENTS Canon Powershot G15 Camera Kit Includes Battery in camera battery charger neck strap lens adapter cover CD and manual USB data cable 6 ft 8GB SDHC memory card in camera Ringflash with 32 blue and 16 white LEDs 4 rechargeable batteries and charger 4 spare rechargeable batteries and case Narrow bandpass filter orange and filter case Camera to RingFlash Adapter attached to camera Clear diffuser ring attached to Ringflash Frosted diffuser ring 2 pair orange nylon rimmed goggles fit over glasses 1 pair orange all over goggles CrimeCam Examiner Examiner manual Case SAFETY PRECAUTIONS Equipped with various LEDs the CrimeCam Examiner is a powerful tool that can be used for both forensic and scientific applications However before using the CrimeCam one should be familiar with basic safety issues includ ing those regarding alternate light sources ALS 1 Always wear the provided safety glasses Think of the LEDs on the CrimeCam Examiner as ALS and make sure when operating the Crime Cam everybody in the vicinity wears appropriate eye protection The kit includes three pairs of safety glasses If there are more people in the area you will need additional safety glasses 2 Never point the ringflash into a person s eyes or flash near the eyes 3 Minimize the amount of time you expose anyone to the CrimeCam E2. HALF LIT LIGHT FLASH L R 35 esl PILOT MODE LIGHT ON OFF ae e Y 4 ea f MODE FLASH RING FLASHES AS PHOTO IS TAKEN LIGHT If you press the LIGHT button on the controller for about 1 second the LEDs will remain continuously on i e whichever ones you have select ed blue or white rather than flashing This is useful when you trying to surveil for evidence or finding the best angle for your picture When using an alternate light source the angle is extremely impor tant and different angles will yield different results If you press the LIGHT button again for about 1 second it will go back to FLASH mode meaning the lights you have selected will flash when you actually take the picture NOTE When you are in continuous on mode LIGHT you will use up your battery much faster than in FLASH mode LIGHT FLASH L R 0 _ PILOT MODE LIGHT ON OFF EI LIGHT FULL RING STAY ON CONTINUOUSLY INTENSITY The bars on the left side of the LCD indi cate the intensity of the LEDs One bar indicates the least intensity whereas seven bars means maximum intensity By pressing the left and right arrows on the controller you can toggle between the seven different intensities SELECTING LED COLOR On the top of the ringflash Figure 4 there is a switch where you can choose UV BLUE or WHITE LEDs If you move the orange s
3. E d Ote 5 m m FIGURE 6 FIGURE 7 GENERAL TIPS The blue LEDs are 470nm so the BLUE setting should be selected whenever you are trying to find or photograph bodily fluids such as urine semen saliva blood etc Always use the orange filter when you are using the blue LEDs Also keep in mind that when photograph ing a fluorescing object the angle of incidence is very important Try holding the camera at different angles and you will find that some angles produce a much better result than others The ambient light will also affect this For best results the CrimeCam Examiner should be used with the room lights dimmed Room light off is even better A very dim nightlight will be handy It will take some experimentation to determine what the ideal lighting conditions are for the scene or evidence you are photographing PART OF THE ARROWHEAD FORENSICS 11030 Strang Line Road Lenexa Kansas 66215 PHONE 913 894 8388 Fax 913 894 8399 www arrowheadforensics com
4. F2 5 The lower the F stop the more light is let in Exposure compensation dial on the top side of the Canon left of the ON OFF button Use this dial to adjust image brightness By turning this dial you can adjust the exposure from 3 to 3 in increments of 1 3 Start off with this dial set to O ISO Choose the ISO speed with the dial to the right of the Canon LCD First click the upper half of the dial to select the ISO setting mode next rotate the ring clockwise to increase the ISO 9 or rotate the ring counterclockwise to decrease the ISO when finished click the upper half of the dial to exit the ISO setting mode The range is 80 to 12 800 Start off with 3200 In general as you increase the speed you also increase the graininess noise in the image CONTROLLING THE RINGFLASH The ringflash controller is attached to the hot shoe on the camera To turn a on the ringflash press the controller s TT Soo corp ON OFF button for approximately two pe seconds Figure 3 until the controller s LCD lights up The ringflash contains two different colors of LEDs white and blue 470nm You can control the in tensity brightness of the LEDs and you can choose to use only the left half of the ringflash only the right half of the ringflash or both halves To turn off the FIGURE 3 ringflash press the controller s ON OFF HOLD FOR 2 SECONDS button for approximately two seconds AUTO DIM AND AUTO OFF The ringf
5. d ready to use The Canon camera has many features and functions many of which will never be used by the casual photographer It is up to the user to decide which ones to use based on individual experience level Refer to the Canon camera manual for detailed instructions on the many different features To start out you just need to know that the cam era can be used in automatic mode or manual mode Turn the Canon camera by depressing the ON OFF button on the top right side of the camera FIGURE 1 FIGURE 2 Auto mode on the Canon camera FIGURE 1 To select the auto mode which is colored green on the mode dial on the top side of the Canon simply turn the mode dial so that auto aligns with the white mark In the auto mode the user does not need to make any decisions about settings because the camera determines the optimal settings for each particular picture In auto mode press the shutter about halfway and the camera will focus beeping twice to indicate it is in focus Once you familiarize yourself with the various features of the Canon you might want to experiment with the manual mode which allows you to control numerous settings Manual mode M on the Canon camera FIGURE 2 See Canon manual for complete instructions To select the manual mode which is marked M simply turn the mode dial so that the M lines up with the white mark on the left Manual mode allows the user to choose exposure level a
6. lash LCD is backlight illuminated for operation in the dark The ringflash will Auto Dim the LCD backlight 15 seconds after a but ton push to save battery life The ringflash will automatically turn itself off after 15 minutes if the LEDs are not on and no buttons have been pushed BUTTONS ON THE RINGFLASH CONTROLLER PILOT This is a test mode Press this button to show the effect of your cur rent selections That is if you chose blue LEDs and the FLASH mode you can press PILOT and it will flash with the blue LEDs MODE You can toggle through the modes by pressing the MODE button on the controller You will see on the ringflash display that you can choose FLASH L Left Half or R Right Half By choosing FLASH the ringflash will flash all the Blue or all the White LEDs when you take 6 a picture By choosing L the LEDs on the left half of the ringflash will be selected and if you choose the LEDs on the right half of the ringflash will be selected If you choose neither L nor R then all the LEDs will be selected by default When FLASH L or R are selected the ringflash will automatically be controlled by the camera hot shoe The flash duration is about 1 10 of a second 111 LIGHT FLASH L 9 ui I PILOT MODE LIGHT ON OFF age A A A UU FEN t D eS 7 MODEL LEFT HALF LIT PILOT MODE LIGHT ON OFF Nass RIGHT
7. ore than two days Do not leave batteries in charger when it is unplugged If the Red light is flashing one of more of the batteries may be inserted improperly is shorted or has reached end of life and can no longer be recharged The battery compartment is on the side of the controller Press in and slide the battery compartment cover down in the direction of the arrow and the cover will flip out Do not force the battery cover handle gently to avoid breaking it Insert the batteries horizontally with alter nating polarities from top to bottom The top one should be inserted with the positive terminal into the compartment The second battery should be with negative terminal into the compart ment The third battery should be with positive terminal into the compart ment The bottom battery should be with negative terminal into the compart ment To close the battery cover gently press it in and slide it upward until it latches again Do not force the battery cover Follow the manufac turer s directions to recharge the batteries DIFFUSERS The CrimeCam Examiner includes two diffusers one frosted and one clear To remove the diffuser simply rotate it counterclockwise and lift it off Each diffuser has a small red line on it Figure 6 To insert the diffuser onto the ringflash line up the red mark with the Open line on the ringflash Then rotate the new diffuser in a clockwise mo tion until it snaps into place Sw N
8. perture value ISO and shutter speed These are settings that you can use to maximize the quality of your pictures If you have no prior experience with manual settings some experimentation will be needed to get familiar with the effects of the different settings When in manual mode pressing the shutter halfway will produce a number on the bottom right of the LCD This number can be positive negative or zero Zero means that your picture is correctly exposed i e has the right amount of light a positive number means it is overexposed i e too bright and a nega tive number means the scene is underexposed not enough light You can then adjust the settings if you wish In some cases a correctly exposed scene may not result in the best picture of the evidence or whatever you are trying to photograph Shutter speed Use the front dial on front of the Canon to adjust the shutter speed You can choose values from 15 to 1 4000 which means 15 seconds to 1 4000 of a second The higher the number the longer the shutter will stay open and the more light you allow into the camera Therefore a setting of 15 would maximize the shutter open time Start off with a setting of 1 60 meaning 1 60 of a second Aperture F stop To the right of the Canon LCD is a dial that says ISO on top Turn it clockwise to increase the F stop and counterclockwise to decrease the F stop The values range from F1 8 to F8 0 Start off with something like
9. witch to BLUE Figure 5 only the blue LEDs will be illuminated when you flash or use the continuous light feature LIGHT If you choose WHITE only the white LEDs will be illuminated If you choose BLUE you will want to keep the orange filter on the camera so the scene will fluo resce under the blue LEDs If you choose UV you will want to have the yellow filter on the camera Conversely if you choose WHITE LEDs you will want to remove the orange filter from the camera FIGURE 4 FIGURE 5 BATTERIES IN THE RINGFLASH Battery indicator On the top left of the controller LCD is the bat tery indicator Three bars means the battery has 70 100 of charge remaining two bars means 40 70 left one bar indicates 10 40 charge remains and you should recharge the batteries The run time is approximately 90 minutes at maximum intensity and about 4 hours at minimum intensify CHARGING THE BATTERIES AND CHANGING THE BATTERIES IN THE RINGFLASH CONTROLLER The ringflash controller is supplied with 2 sets of rechargeable AA batteries and a battery charger One set of batteries can be charg ing while the other set is in use Please charge both sets of batteries before initial use Always charge all four batteries at the same time The Red light on the charger indicates that it is charging The Red light will change to Green when charging is complete Remove batteries 9 when charge is complete Do not leave batteries in charger m
10. xaminer LEDs As with all high intensity lights longterm exposure may be hazardous Do not turn on the ringflash until you are ready to take the picture and turn it off when you are done This will also extend your battery life 4 Do not attempt to remove or disassemble the ringflash LADC 58L or ringflash adapters from the camera The ringflash was designed for this camera only and you risk damaging the threads 5 Do not use the CrimeCam Examiner in a wet environment neither the camera nor the ringflash is waterproof Store the CrimeCam Examiner in a dry cool environment and avoid exposing it to direct sunlight 6 Remove batteries from the ringflash and camera if not used for more than two weeks to prevent battery leakage 7 When replacing ringflash batteries replace all four at once Do not mix old ones with new ones 8 Do not use any chemicals on the CrimeCam Examiner To clean the camera filter or ringflash use a soft cloth 2 w Aw LHIME EXAMINER TABLE OF CONTENTS GETTING STARTED CONTROLLING THE RINGFLASH MODE BUTTON OPTIONS LIGHT BUTTON OPTIONS SELECTING LED COLOR DIFFUSERS GENERAL TIPS 10 GETTING STARTED When using the CrimeCam Examiner wear the provided safety glass es and make sure anyone in the vicinity also wears safety glasses Make sure you read the safety precautions before operating the CrimeCam Examiner The CrimeCam Examiner kit is sold fully assembled an
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