To get the user manual, click on this link: http://www.captainsim.com/products/w001/csweapon_manual.zip
To get the SDK, click on this link: http://www.captainsim.com/products/w001/csweapon_SDK.zip

If you have Acceleration, start FSX and select Captain Sim in the Publishers list and then select the Boeing F/A-18 Armed Defender, from the aircraft that are listed, then press Fly Now.

‘Weapon for FSX’ - User’s Manual (CSWeapon_manual.pdf) page 10:

PANELS ORDER
2D HUD installs in the following panels order:

Acceleration F/A-18:
Weapon control panel – panel 1 (Shift+1)
HUD indication – panel 2 (Shift+2)
HUD glass – panel 3 (Shift+3)

Any other FSX aircraft/rotorcraft*:
Weapon control panel – panel 2 (Shift+2)
HUD indication – panel 3 (Shift+3)
HUD glass – panel 4 (Shift+4)

* - Third-party aircraft may use other order of panels.

Mark