AN/ALM-225 COUNTERMEASURE DISPENSER TEST SET

The AN/ALM-225 (fig. 16-7) is used for preflight ^{testing of the AN/ALE-39 countermeasures dispenser system.}

_{AN/DSM-139 GUIDED WEAPON TEST SET}

_{The AN/DSM-139 guided weapon test set (fig.} 16-8) is used to check the operation of the data link antenna on the Mk 21, Mk 23, and Mk 27 Walleye

Figure 16-7.-AN/ALM-225 countermessure dispenser test set.

Figure 16-8.-AN/DSM-139 guided weapon test set.

extended-range, data link weapons. The test set has its own power source and built-in self-test features. The test set ensures the weapon antenna transmits at high power within a prescribed frequency after the weapon has been loaded on the aircraft. The AN/DSM-139 test set is used with the F/A-18 aircraft.

AN/ASM-184B(V)-1 AIRCRAFT WEAPON CONTROL TEST SET

The AN/ASM-184B(V)-1 aircraft weapon control test set (fig. 16-9) is a GO/NO GO test set designed to check the aircraft's Walleye weapon system at the pylon umbilical connection. The test set is used to check signals from the aircraft control system to the rack umbilical connection. It lets you check fuze function system power inputs to the weapon, and it simulates signal output from the weapon to the aircraft.

_{Figure 16-9.-AN/ASM-184B(V)-1 aircraft weapon control test set.}

Figure 16-10.-AN/ASM-496 data link controller test set.