TB 9-4931-363-50
SECTION I
IDENTIFICATION AND DESCRIPTION
WARNING
The digital multimeter of the test set contains high-voltage
converters. Removal of high voltage levels is not assured until
the multimeter is disconnected and high-voltage points are
grounded. Use insulated calibration tool when required. High
voltage may be present at adjustment points. Dangerous
voltages and currents are present in voltage calibration
equipment.
1. Test Instrument Identification. This bulletin provides information for the periodic
calibration of Fire Control Subsystem Test Set AN/GSM-249. The component of this test
set requiring calibration is the digital multimeter (fig. 1).
Figure 1. Fire control subsystem test set - control panel
2