Contents 

Welcome to the ShockClock
1- Introduction
1.1 Ultrasonic Transducer Principles
1.2 Standard vs. Pro Kit
1.3 Dirt vs. Street
1.4 Accessories
1.5 Computer Requirements
1.6 ShockClock Specs
1.7 General Safety
1.8 Warranty and Copyrights
1.9 Technical Support & Contact
2 - Installing PC Software
2.1 Uninstall Prior ShockClock Software
2.2 Install ShockClock Software
2.3 Installing a USB/Serial Adapter
2.4 Determine the COM Port Number
2.5 Perform a Trial Download
3 - Hardware
3.0 Hardware Overview
3.1 Dirt Bike Mounting
3.1.1 Front Transducer Mounting - Dirt
3.1.2 Rear Mounting - Laid-Down - Dirt
3.1.2.1 Laid-Down Transducer Geometry
3.1.3 Rear Mounting - Vertical - Dirt
3.1.4 ShockClock Mounting - Dirt
3.2 Road Race Mounting
3.2.0 Road Race Mounting Intro
3.2.1 Front Transducer - Conventional - RR
3.2.2 Front Transducer - Upside-Down - RR
3.2.3 Rear Transducer Mounting - RR
3.2.4 ShockClock Mounting - RR
3.3 Mountain Bike Mounting
3.3.0 Mountain Bike Mounting Intro
3.3.1 Front Transducer - MB
3.3.2 Rear Transducer - MB
3.3.3 ShockClock Mounting - MB
3.4 Adjusting the Tubes
3.5 Shortening the Tubes
3.6 Transducer Maintenance
4 - Using the ShockClock
4.1 Operate the ShockClock
4.2 Testing Tips
4.3 ShockClock Problems
5 - PC Software Basics
5.1 Startup Screen
5.2 Preferences
5.3 Downloading
5.4 Opening Files
5.5 Closing Files
5.6 File Information
5.7 Import Older Files
5.8 Export to Excel
5.9 Graph Basics
5.10 Set the Zero Point
5.11 Select Data Range
5.12 Notes
6 - Analysis
6.0 Analysis Intro
6.1 Single File Analysis
6.1.1 Bottoming (& Travel)
6.1.2 Travel & Velocity Overview
6.1.3 Waveform Analysis
6.1.4 Rebound Push Test
6.2 Comparing Files
6.2.1 Settings vs. Results
6.2.2 File 1 vs File 2
6.2.3 Travel Histogram
6.2.4 Velocity Histograms
6.3 Analysis Procedure
6.3.1 Troubleshooting
6.3.2 Analysis - Dirt - PDA
6.3.3 Analysis - Road Race
6.3.4 Analysis - Mountain Bike
7 - Measuring Static Sag
7.1 The Sag Concept
7.2 Sag Procedure
7.3 Calculating Sag
7.4 Sag Guidelines
8 - Leverage Ratio
8.1 The Leverage Ratio Concept
8.2 Mounting the Transducers
8.3 Leverage Ratio Measurement
8.4 Creating a Leverage Ratio File
8.5 Lowering or Raising a Bike
8.6.1 Leverage Ratio Comparison
8.6.2 Rear Wheel Force Comparison
8.7 Convert a ShockClock Recording
9 - Convert to Vertical - Dirt
9.0 Convert to Vertical Overview
9.1 Laid-Down Transducer Mounting
9.2 Laid-Down Transducer Geometry
9.3 Convert Data to Vertical
10 - PDA Help Guide - Dirt
PDA Getting Started
PDA About the ShockClock
PDA Tips
PDA Installing Software
PDA Create a Trial Recording
PDA Hardware
PDA Dirt Bike Mounting
PDA Front Transducer Mounting
PDA Rear Laid-Down Mounting
PDA Laid-Down Transducer Geometry
PDA Mountain Bike Mounting
PDA Front Mountain Bike
PDA Rear Mountain Bike
PDA Rear MB Laid-Down Geometry
PDA Operate the ShockClock
PDA Adjusting the Tubes
PDA Shortening the Tubes
PDA Transducer Maintenance
PDA Accessories
PDA Software
PDA Prefs
PDA Downloading
PDA Opening a File
PDA View Results
PDA Graph
PDA Peaks
PDA Settings & Notes
PDA File 1 vs File 2
PDA Closing Files
PDA Synchronizing Files with a PC
PDA Technical
PDA ShockClock Problems
PDA Technical Support & Contact
PDA ShockClock Specs
PDA Data Analysis
PDA Dirt Analysis
Glossary
Glossary of Software
Glossary Suspension Hardware
Troubleshooting Glossary

Welcome To ShockClock

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5.3 Downloading
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> Select File, Download or use the shortcut (Ctrl+F)

 

> This section explains downloading in greater detail than in 2.5 Perform a Trial Download, where doing a trial recording and download are already described.  This section assumes that all of the steps pertaining to installing the ShockClock Software and setting the correct COM port, as well as performing a trial download have all been completed successfully.


5.3.1 COM Test

After you click Download (Ctrl+D), the ShockClock checks to see if it is communicating properly with the computer.  If something is wrong an Error Message will be displayed.  Make sure the COM Port is selected properly in Edit, Preferences.  See 2.4 Determine the COM Port Number 

 

If you still have trouble downloading, see 4.3 ShockClock Problems.


5.3.2 Set Air Temperature

The Ultrasonic Acoustic Wave-Guide Transducer is a rugged measurement device that uses sound waves to measure distance (like sonar).  Air temperature affects the speed of sound therefore temperature must be input to calibrate the unit.  Measure air temperature in the shade in a well ventilated area.

 

After clicking Download the “Set Air Temperature” screen will appear.  Click on the up/down arrows to select temperature.  You can also enter the temperature directly.

 

If you are off by 10 Degrees F you will be off about 1%.  This means 3 mm off at 300 mm travel.  So it is not too critical.  Decent, inexpensive digital thermometers are available at home improvement stores.

You are notified of the current Default Vehicle for Next Download.  If this is the incorrect vehicle click "Cancel" and set the proper vehicle in Edit, Preferences.


5.3.3 Create a Filename

After Downloading is finished the Create a Filename screen appears.  It helps you create a meaningful filename based on the information input into the fields. 

 

Required selections are, Front or Rear, and File Number.  Optional fields are Rider Initials, Model, Track, Notes, and Suspension Clicker Settings fields.  It is suggested you always use file numbers "10" or greater.  This will put them in proper numerical order as long as you have 2 digit file numbers.

 

Tip:  When doing recordings with a Pro Kit (front and rear at the same time) use the same file number for both front and rear recordings.  This associates them with each other.

Create a Filename automatically transfers these settings into the Notes Section, Clicker Settings.  See 5.12 Notes.

 

 - File Save Screen

After you finish with the “Create a Filename” screen, you will enter a standard Windows style “Save File” screen.  At this point you may edit your filename and choose a location to save to.  

 

Note that dragging the lower right hand corner will expand this window.


5.3.4 Multiple Recordings

If your have multiple recordings stored in the ShockClock the “Create a Filename” screen will appear for each subsequent file.  If you choose not to save a recording you can skip it while it is Downloading.  This allows you to not save a particular file while still saving all the others.  When the last file is saved it is automatically opened in File 1.


5.3.5 Auto Open

The new file will automatically be opened up in the File 1 location (Red).