CED M2 Chronograph Instruction Manual
CED M2 Chronograph Instruction ManualCED proudly introduces the new CED M2 Chronograph System. Building on the original CED MillenniumChronograph, which has been an industry standard for the past eight years, the new CED M2 Chronographbegins where its predecessor leaves off.New advanced technology enabled us to DOUBLE the operating speed of the CED M2 chronographincorporating a microcontroller that runs at 48 MHz while expanding the operation range from 50 fps t o7,000 fps. Memory storage has been expanded 500% from 220 velocities to over 1,000 stored velocities.Stored string size can range from a single velocity up to 500 velocities and up to 500 different strings.Expanded digital chip design now gives the CED M2 the ability of reading velocities at much lower light levels.On clear days, this means the ability to chronograph from early morning till almost sunset.A new keypad has been designed in calculator-style layout. In fact, we have added a built-in calculator as well.Further, the CED M2 now includes a “Hi-Average” function which provides “one touch” calculation of theaverage of the three highest velocities in a string. This new function is ideal for calculating Power Factor atIPSC & IDPA matches. With the new built-in calculator, the results are easy and fast! In addition, the CEDM2 Chronograph adds even more new features like Single function string removal, 2 ft. mounting bracket forALL uses, the ability to recall specific strings from memory or to remove specific strings from memory, and anew USB interface. Now it is easier than ever to connect your chronograph to your PC and download yoursaved data into the newly designed and updated CED Data Collector software program.Features of the CED M2 Chronograph System:* Sleek, lightweight, and compact design* Advanced software & digital circuitry extremely fast performance!* Over 1000 shot capacity with up to 500 string permanent memory* Records velocities from 50 fps to 7,000 fps* High, Low, Average, & Hi-Average velocity readings* Extreme Spread & Standard Deviation* Edit & Omit functions* Built-in Calculator* IPSC / IDPA Power Factor Function* 10X Mode – records velocity in decimeters* Meter or feet recording*Voice Chip technology – Results can be heard as well as seen* “Advanced Error Warning” system* USB interface* New Data Collector Software program included* 9-Volt battery operation (not included)* Operating Temperature range (0c to 50c) The optional Infrared upgrade set allows usage of the CED Millennium Chronograph under any lightconditions, even in total darkness. The NiMH Battery Pack provides up to 8 hours of field use whereno electricity is available. Now, it is possible to chronograph velocities in the evening or on heavilyovercast days when there is insufficient sunlight. No longer be dependent on good weather. The CEDinfrared upgrade Set provides total flexibility of use. The only one of its kind on the market today!
ContentsSymbols / Abbreviations – Descriptions for use .Keypad Organization / Keypad Layout Keypad Explanation .Quick Steps to easy use.Features & Functions continued.Detailed Functions.On / Off .Meter / Feet (M/F) .Store Current String .Clear Current String Clear All Memory .Recalling a Specific String (STR) . .Omit Entire Shot String (OM) . . .Review (RE) .Edit (ED) .Omit (OM) . .Standard Deviation .High Velocity (HI) .Low Velocity (LO) .Extreme Velocity Spread (ES) .Mean or Average Velocity (AV) .High three velocity average (ALT – AV3) .Calculator Function (CALC) Power Factor Function (PF) .Advanced Error Warning Function (ER) .Speaker Function (SP) .Low Battery Indicator .Display .Skyscreen Sensors / Diffusers .Indoor Shooting .Shotgun / Bows .PC Download Set-up .PC Installation Process .Un-installation ProcessVelocity readings .Temperature operating range .Battery .In Case of Trouble .Chronograph Results and variables .Frequently asked questions.Guarantee .Warranty .Contact Details .Chronograph Accessories .3-44567 - 12777777-8888899999101010111111111212121213 – 151515151516 - 1717 - 1818 - 1920202021 – 22
Symbols / Abbreviations – Descriptions for useE0-Missed Start SensorThis means that a bullet went over the Stop sensor but notover the Start sensor.E1-Missed Stop SensorA bullet went over the Start sensor but never went overthe Stop sensor.SP-SpeakerThe speaker is enabled.RE-ReviewShots are being reviewed.SS-Saving StringThe currently active shot string is being saved.CS-Creating StringThe shot string number that is being shown in the Shots digitsis being created and will become the "active" shot string.LS-Load StringThis shows up when the STR button has been pressed. The numberthe user enters will be the shot string that is loaded for reviewor editting.ST-StringThis comes as a confirmation message. The string numbershown in the Shots digits is being acted on when the STmessage is displayed.OR-Out of RangeThe velocity being shown is not within plus/minus 7% of the current average velocity.PF-Shown during Power Factor calculationsHI-Highest VelocityThe highest velocity in the shot string is displayedLO-Lowest VelocityThe lowest velocity in the shot string is displayedAV-AverageThe average velocity is being displayed
Symbols / Abbreviations – Descriptions for use (Continued )A3-High Three Shot AverageThe High Three Shot Average is being displayedES-Extreme SpreadThe difference between the Highest and Lowest velocities is beingdisplayed.SD-Standard DeviationThe Standard Deviation is being displayed. (See U5 below)U5-Under 5 shots captured in the stringThis will be displayed when the user has requested the Standard Deviationbut there have not been sufficient shots captured to perform the calculation.Keypad OrganizationThe new features and functionality have freed up some of the keys on the keypad. These can now be used forother functions.Keypad LayoutCustom Key Pad - No toggling required!"Easy to read" format and moisture resistant displayOn / -STO0Alt.SP PF Green numbers indicate the function of the key while in calculator modeRed text indicates the shifted functions of a key. Pressing and holding the Alt key then pressing the desiredkey accesses the function. This works just like a Shift key on a keyboard. Black text indicates the normalfunction of a key.
Keypad r ButtonTurn the unit on and off7Alt-CalcCalculatorFeet/MetersEnter and exit the calculatorToggle between FPS and MPS tSPPFAllows the user to select a string for review oromittingClearA l l Clears all stored shots from non-volatileMemorystorageClear StringClears the shot string currently in use.Allows the user to step through the individualReview shotsshots in either the current string or a storedstring.Remove the current shot from shot stringEdit shotcalculationsOmit shot or Remove the current shot from shot stringstringcalculations or mark the shot string as omittedStandardReport the SD of the current or selected stringDeviationHighest velocityReport the highest velocity in the stringLowest velocityReport the lowest velocity in the stringExtreme SpreadReport the velocity range of the stringHigh 3 pointReport the High 3 point average of the stringaverageReport the average of the stringAverageS t o r e c u r r e n t Mark the current shot string as complete,stringprepare the next shot string for use.Shift keyAccess the shifted functionsSpeakerToggles the speaker on and offUse the value displayed in the velocity digitsPower Factorto perform a power factor calculationSelect String9/456x1230.
Quick Steps to easy useThe CED Millennium Chronograph has been designed to provide the User with accurate results through very"easy to use" functions that do not require an extensive amount of reading to learn or understand. However, t ofully appreciate and enjoy the extensive array of features the CED Millennium offers, we do strongly suggestthat this instruction manual is read completely at your leisure.In the meantime, we offer the following "Quick Steps" to allow you fast, easy and satisfying results withyour new CED Millennium Chronograph.* Using the 2' foldable mounting bracket included with your purchase, mount the bracket to a tripod (standardcamera screw mount). Attach both sensors onto each end of the bracket, pushing them on as far as they willgo until the end of the bracket is firmly against the back wall of the sensor. Adjust the plate screws on each t otighten them in place. It may be necessary to loosen the screw plate on the bottom of the sensor in order tooallow it to slide onto the mounting bracket easily. Once the sensor is on the bracket completely, tighten thescrew plate to secure the sensor and keep it from moving during use. Now install the diffuser Skyscreenssupplied to each sensor. The silver arms slide into each side of the sensor and the white diffuser top screens fitonto each sidearm.* Position the tripod approximately 7 to 10 feet in front of your shooting position for pistol use and 10 to 12feet for high powered rifle use. (this must be adjusted depending on the muzzle blast of the rifle in use. Somemay allow closer positioning and others may require greater distance). Make sure that you have a nunobstructed downrange view to insure complete safety at all times. Remember that each shot firedshould be directed through the center of the diffuser screens. Try to always align your trajectory so that theprojectile passes evenly over the top of both sensors. If you place the tripod on a slope or uneven ground,which in turn then causes the bullet to pass unevenly over the two sensors, it may effect the accuracy of thereadings you receive. If you plan to shoot a shotgun or archery arrows, read the appropriate section forfurther details.* Attach the shielded cables from the sensors to the CED M2 Chronograph. Remember that the front sensor(closest to the User) is plugged into the "START" jack and the rear sensor into the "STOP" jack. Place the 2ft. mounting bracket so that the fixed end is facing forward (the portion of the arm with the hinge that foldsup should be facing away from you). Open the CED M2 Chronograph and press the "ON/OFF" button t oactivate the chronograph. You will see "0000" along with "0" shots and "2.0 F" or “0.6M” which stands forthe foot or meter distance that the sensors are to be positioned at. This is the standard default setting and theCED M2 Chronograph is only designed to function with a 2 ft. mounting bracket. The high speed, digitalcircuitry and advanced firmware are designed to eliminate the need for longer spacing of the sensors in orderto achieve greater accuracy.* Now you are ready to shoot! Fire each shot through the Skyscreen windows. With every shot, the currentvelocity will appear on the LCD display, along with the cumulative amount of shots received (shot number).Continue recording shots in the same string but at any time the data received can be reviewed, edited, omitted,by simply pressing the appropriate button. When you wish to store a "string" of velocities or store all the datareceived, simply press the "STO" button and the data will be stored into memory. When the unit is turned off,the current string of velocities last recorded will automatically be stored into memory.
To become more familiar with your new CED M2 Chronograph’s various features & functions,read on.On / OffOn / Off button turns the chronograph on and off. The CED M2 Chronograph has an Auto-Shut Off mode,which activates when no activity (input) occurs for a 30-minute period of time. There is no memory loss andthe chronograph can be re-started by pressing the ON button once again. Any data entry(s) received prior t othe Auto-Shut Off will automatically be stored as a "string" at the time the unit shuts down.Meter / Feet (M/F)Selects the mode of calculation the chronograph will use. In "Meter" it will read the speed of the projectile inmeters per second and in "Feet" mode, it will read the speed by feet per second. The default mode is set at"feet".Store Current String(STO)STO button stores the shot string currently in use. A new shot string will be automatically created and madeready for use with “0000” being displayed on the screen. When you wish to begin a "new" string (group),simply press the STO button to store into memory the current string of velocities and begin to record a newone. There is room for storing up to 1000 shots in the memory. However, a shot string can only contain upto 500 shots. The number of shot strings is also limited to 500. This means you could have two shot stringseach containing 500 shots or you could have 500 shot strings each containing two shots.When theMEMORY is filled the Error indicator will flash and the velocity digits will change to “FULL”. The user willneed to perform either a Clear All Memory, Clear Current String or Store Current String function before takingmore shots. Once a shot string has been stored, either by pressing the STO button or by turning the unit off,that shot string cannot be cleared - it can only be omitted. The memory can only be made available again byperforming a Clear All Memory function.Clear Current StringTo clear (erase) a current string from memory, the user will press the CLR button. When this function isentered the screen will prompt “CLr”. The user will then press the CLR button again to confirm. If theconfirmation is not received within 3 seconds the function will be cancelled. Once a shot string has beenstored, or the chronograph has been turned off (which action automatically stores the string if it has any shotsin it) the string can no longer be cleared. It can only be “omitted” or “edited”.Clear All MemoryIf you wish to erase ALL entries (data) stored in the chronograph memory, press BOTH the Alt - CLR buttonsonce. When entered the screen will prompt “CLrA”. The user will press the Alt-CLRA buttons again t oconfirm. If the confirmation is not received within 3 seconds the function will be cancelled.Recalling a Specific String (STR)STR button is used to jump directly to a specific shot string for review without stepping through all the strings.To initiate this function the user will press the STR button, enter the desired string number and then press the“ ” key. The user will then press the Review (RE) key to step through the individual values of the stringallowing those values to be edited or omitted. The HI, LO, ES, AV, & SD functions can all be activated duringthis process. If the user selects a string that has been omitted, the display will show the string number and 4dashes, which will remain displayed until a new string number is entered. If the STR button is pressed with noadditional input, the chronograph will jump back to display the last shot in the active string.
Recalling a Specific String (STR) (Continued )When the user is reviewing strings it is not necessary to reselect the current string before recording morevelocities (firing more shots). When a shot is detected the chronograph will change back to the current stringautomatically.Omit Entire Shot String (OM)OM button is used to omit a single velocity or an entire string. To initiate this function the user will press theSTR button, enter the desired string number and then press the “ ” key. The chronograph will jump to thatstring. The user will then press the OM key to omit the entire shot string. The user will be presented with an“OS” prompt requesting confirmation. Pressing the OM key again within 3 seconds will confirm the action.After the String Selection has been performed, if the user presses any other key than OM the mode will changeto disallow omitting the string. This and the confirmation above are safety factors to keep shot strings frombeing removed accidentally. Once a string number has been used, it can’t be reused until a CLRA function hasbeen performed. The omitted string actually stays in memory. It cannot be selected for review but it will showup in a data download as “omitted”.Review (RE)At any time after one data entry has been received and up until such time as the memory is full, any / all dataentries (velocities received) can be reviewed by pushing the RE button. When pressed, the chronograph willshow the first input shot / velocity received during the current string. Every press of the RE button willadvance to the next shot / velocity stored. You can review through all of the data entries in the specified"string" up to the last one received, or simply stop at any point along the way. If a new shot / velocity isreceived, the chronograph will automatically record it from the point where it left off initially in the "string",NOT from where the review function was interrupted at. (Meaning that if 10 shots / velocities were received,and 6 later reviewed, followed by a new shot / velocity being received, the unit will store the latest data entry inmemory as 11 shots / velocities received and add the new data entry to the current string.)* When reviewing shots / velocities in the current or a previously stored "STRING", each of t h eother function keys operates based on the data stored in the specific "STRING" in use on the LCDdisplay.Edit (ED)This function allows the removal of any undesirable data entry. The Edit button can be pressed immediatelyafter the undesirable shot / velocity is received, removing it from calculations, or later during the reviewfunction. When in the review function and an undesirable shot / velocity is called up on the LCD display, theED button can be pressed once which will thereby remove (edit) that data entry from all calculations. Editedshots / velocities remain in memory, but are removed from the summary and from the other functions such asaverage, high, low, extreme spread, or standard deviation. All shots / velocities which are edited will appear onPC downloads, but will not be included in the summary calculations. Each such entry will be indicated by a "-"mark to denote that it has been edited.Omit (OM)Functions exactly as the Edit function with one major exception. All shots / velocities which are omitted areremoved from TOTAL memory and cannot be recalled later and will not be included in any summarycalculations. When a data entry is omitted during a "string" review, it will be removed completely in the samemanner from the memory totally!
Standard DeviationBased on the universal mathematical equation for uniformity, this function uses all the data entries in a stringto calculate the Standard Deviation of the combined shots / veloc
CED M2 Chronograph is only designed to function with a 2 ft. mounting bracket. The high speed, digital circuitry and advanced firmware are designed to eliminate the need for longer spacing of the sensors in order to achieve greater accuracy. * Now you are ready to shoot! Fire each shot th
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