QUICK SET-UP INSTRUCTIONS FOR:
Alpha Shooting Chrony® & Alpha Master Chrony®

A. FOR OUTDOOR SHOOTING:

Step-1. Take Chrony to the shooting range; ensure a SAFE BACK STOP.

Step-2. Unfold Chrony unit; install a 9-V alkaline battery; mount unit on tripod; or place on table. Make sure that unit is fully open. For Master Chrony: Plug telephone cable into the back of front sensor housing, the other end into the left side of LCD Monitor box. For Chrony with Printer: Plug stereo cable to the left side of Printer, the other end to Chrony before turning on unit, see Fig.10. Distance of Chrony unit from muzzle: Air gun, .22 Rim fire => 3FT; Bow & Arrow =>4FT; Shot gun =>5FT; .30-30=>8FT; Large rifle=>10FT to 15FT; the bigger blast, the longer distance.

Step-3. On hazy, cloudy days install wire-rods only (as aiming guides), see Fig.7 below.

Step-4. On clear, sunny days install wire-rods with white plastic diffusers to simulate clouds. To install wire-rods and diffusers, see Fig.6 below. To set-up for different type of guns, see Fig. 8 & 9 below.

Step-5. Make sure battery is better than 7.5V and there is nothing between Chrony and sky ( no branches, no roof, etc.).

Step-6. Turn on Chrony, “ BE “ (B.E for metric) displays for Beta, Beta Master model; or “ GA “ (G.A for metric) displays for Gamma, Gamma Master Chrony and symbol bar bouncing up & down both sides.

Step-7. Shoot through centre of triangle; 4” above Chrony if open sights; 6” above Chrony if scope sights. Chrony starts to register shots in the first empty string.

Step-8. After each shot, Chrony will show the shot number then the velocity. The velocity will stay till you shoot again.

B. FOR INDOOR SHOOTING:

Repeat Step-1 & Step-2 above.

Step-2a. Assemble the Indoor Light Fixture as Fig.11 below.

Step-2b. Turn Off all halogen, fluorescent lights directly above Chrony.

Repeat Step-6 through Step-8 above.

Figures 6 - 11

Fig. 6:
Wire-Rod and Diffuser Assembly


Fig. 7:
Set-up on cloudy days without diffusers. Use Wire-Rods to line up Chrony with line of fire

Fig. 8:
Set-up on clear, sunny days with 9.25" wire-Rods & 2 end-piece Diffusers for bench-rest Rifle Shooting

Fig. 9:
Set-up on clear, sunny days with extended
Wire Rods & 3-piece Diffusers for Pistol, Archery and Shotgun.

Fig. 10:
Master Chrony with Ballistic Printer


Fig. 11: (Assembly)

1) Bolt the Indoor Light Fixture to the Center-Piece of the Plastic Diffuser with the ¼” Screws (8pcs). Making sure that the correct side of the Center-Piece faces up as showing Fig.11

2) Attach both Diffuser End-Pieces to the Center- Piece.

3) Insert the Wire-Rods into the front and rear sensor housings of the Chrony.

4) Mount the Diffusers over the Wire-Rods.

5) Plug into any 115 Volts ( 220 Volts for Europe ) electrical outlet and switch it on

Note: The tubular light bulbs are made by General Electric and available in most hardware stores. When replacing the light bulbs, please make sure that the light bulbs are the same type as the original ( 40-Watts Frosted light bulb).

CAUTION: Do not leave your Shooting Chrony® in a car on a warm to hot day. The liquid in the LCD may change to some degree (because of heat build-up) and fail, showing [8888].

 

If it doesn't unfold, it's not a Chrony®
Copyright © 1997-2009
Last updated: July, 2009
Pricing effective: · E. & O. E.