mode of test, an acceptable receiver sensitivity is
unit. The receiver responds to the light from the test
indicated by a deflection in the white band. In each
lamp as if it were background light from a target. The
case, the color of the acceptable band corresponds to
receiver than develops an automatic gain control (agc)
the color of the mode indicator lamp that is illuminated.
voltage which is used by the receiver to maintain the
In either test, a deflection into either of the black regions
noise count rate at a constant value. The video signal is
indicates an out-of-tolerance condition.
an output voltage in conjunction with the agc voltage.
This voltage is applied to the RCVR-XMTR STATUS
1-6. Tabulated Data.
meter, which provides an indication of go-no-go receiver
Characteristics. The physical characteristics of the
e. The face of RCVR-XMTR STATUS meter has
carrying cases for the test sets and alinement kit are
two scales: one for the transmitter mode and one for the
receiver mode. Each scale consists of a color-coded
b. R/T Tester Performance Characteristics.
band bracketed by a black region.
Performance characteristics of the R/T tester are
transmitter mode of test, a deflection of the meter
summarized in table 1-5. Refer to TM 9-1240-36934 for
needle into the red band indicates that the transmitter
data on the laser range finder units.
output energy is within tolerance. During the receiver
Table 1-4. Test Sets and Alinement Kit Shipping Data
Test set (10559658)
Test set (11738864)
Alinement kit (11738863)
R/T holding fixture (11738862)
Table 1-5. R/T Tester Performance Characteristics
(supplied by hot mock-up)
Receiver test mode:
2 amperes (maximum)
Transmitter test mode:
Optimum operating temperature
-65 to +160