Directional Prep Codes -- The 1st directional preparatory code represents the CUTCOM vector with a positive P component and a positive Q component. The 2nd code represents the CUTCOM vector with a positive P component and a zero Q component. The 3rd code represents the CUTCOM vector with a positive P component and a negative Q component. The 4th code represents the CUTCOM vector with a zero P component and a negative Q component. The 5th code represents the CUTCOM vector with a negative P component and a negative Q component. The 6th code represents the CUTCOM vector with a negative P component and a zero Q component. The 7th code represents the CUTCOM vector with a negative P component and a positive Q component. The 8th code represents the CUTCOM vector with a zero P component and a positive Q component. (Intcom 2467 - 2474)