Caldwell Chronograph G2 Usage Instruction Download Page 5

CHARGING THE  BATTERY

The Chronograph has a built-in Lithium-Ion rechargeable battery.  Battery life can depend on many factors so run times are approximate.  This 
battery will power the chronograph for approximately 12 hours under normal conditions, and for 2.0 hours when the lights are used. 
To charge the battery, follow these steps: 

1.  Plug in the included USB wall adapter.  

2.  Connect the chronograph by plugging the provided USB-Micro USB cord into the 
 

Chronograph housing 

3.  Connect the provided cord into the wall adapter.

NOTE: 

A GREEN LED light near the charging port will flash when the battery is charging, and 

 

 

 will stay on steadily once it is fully charged.

The battery will take approximately 2.5 hours to fully charge.

NOTE:

 

Make sure to use the correct prongs on your wall mount.  Below are instructions on how to switch out your prongs.

OPERATION

1. Place Chronograph on the tripod or a stable surface at the 
   appropriate height for firing projectile through the shooting 
   window.   Be sure the LCD screen is facing towards the shooter.

2. Position the unit 10 to 15 feet (3-5m) in front of the muzzle 
   of a firearm or if using with a bow, at least one full arrow length
   in front

3. Align the Chronograph:
    a. Height, so that the projectile travels through 
          the center of the shooting window 
    b. Tilt Angle, so projectile travels parallel to the 
          top surface of the housing
    c. Left/Right, so that projectile is in line with housing

4.  Turn the unit on by pressing the         button on top of the unit

5.  Select the units by pressing the “Unit” button. 
    The selected unit will flash on the LCD screen

6. If lights are needed, press the         to turn them on. 

NOTE: 

The lights use batter power quickly. Only use 

them when shooting indoors or in low light conditions 
such as sunrise and sunset.

NOTE:  

For continuous use, the Chronograph can be powered 

directly by the USB cord.  This allows the lights to be used for 
extended times.

UNIT

Power

Lights

On the underside of the wall charger 
plug is a button.  Push it to release the  
Prong plate from the charger.

Slide the prong plate up out 
of the wall mount.

Then slide the other prong 
plate down into the wall 
mount until it “CLICKS” 
into place.

CAUTION:

Make sure the prong plate is fully seated into the wall 
mount BEFORE plugging it into the outlet. 

Summary of Contents for Chronograph G2

Page 1: ...Product 720002 Instructions 1061293 Revision D Care Usage Instructions...

Page 2: ...A B C F G CONTENTS CHRONOGRAPH CONTENTS A Chronograph B 2 Ground Screen Assembly C Ground Screen Connector D Charging Cable E USB Wall Adapter F Tripod G Carrying Case H European Plug Adapter E D H...

Page 3: ...oting of the chronograph will void factory warranty All chronograph units have inherent uncertainty when recording velocity measurements Several uncontrollable variables can affect each measurement an...

Page 4: ...the other side 3 Place the Ground Screen Assembly onto the tripod and turn the thread wheel until it is firmly tightened 4 Slide each of the four support bars to the connectors on the sides of the chr...

Page 5: ...shooter 2 Position the unit 10 to 15 feet 3 5m in front of the muzzle of a firearm or if using with a bow at least one full arrow length in front 3 Align the Chronograph a Height so that the projecti...

Page 6: ...Precision APP icon in your smartphone home screen iOS Pairing 1 Turn the Chronograph On 2 Open the Caldwell APP 3 Go to APP Setting and select Bluetooth Enabled 4 The chronograph will pair and a gree...

Page 7: ...its for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipme...

Page 8: ...ble When throwing used batteries away follow the disposal instructions indicated on the batteries and the local disposal laws Do not heat or disassemble batteries Do not put them in fire or water Batt...

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