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Maximum number of rangings test |
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|  MIL-R-50749(MU)
8 August 1973
table VIII). Observe" the indicated range accuracy of
3.3.1.6C to determine compliance with 3.3.1.6f (1).
b. Perform 10 ranging operations within a period of 4 min-
utes at a rate of 3 per minute against Target No. 3
(item 12 in table VIII) at -20F with the battery fully
charged. Observe the indicated range accuracy of
3.3.1.6C to determine compliance with 3.3.1.6f(2).
4.6.7.7 Maximum number of rangings test. Perform 12 ranging
operations within a 2-minute period against Target No. 3 (item 12 in
tableVIII). (This may be performed concurrently with the test of
4.6.7. 2). Observe the indicated range accuracy of 3.3.1. 6C to deter-
mine compliance with 3.3. 1. 6g.
4. 6.8 Remote ranging test. Set the LASER MODE CONTROL
switch to the ON position and apply the signal source as specified in
table 11. Perform the test specified in table X , except do-not press
RANGE button. Observe the range readout to determine compliance
with 3.3.1.7.
4. 6.9 Peak output Power test. The peak output power of the
receiver-transmitter shall be computed for at least 2 firing operations
to determine compliance with 3.3.1.8.
4.6.10 Input voltage variation test. Set the LASER MODE
CONTROL switch to the ON position and perform five ranging opera-
tions against Target No. 1 3 at each of the following prime voltages:
0
+24.O + 2.O Vdc, +18+ -0 Vdc, and +30 + 1 Vdc. Observe the accuracy of
the range readouts at each input voltage to determine compliance with
3.3.1.9.
4.6.11 Maximum power drain test. Measure the prime input
current to the rangefinder while performing steps 1 and 2 of table X.
using the dc ammeter" (item 4 in table VIII). Verify compliance
with 3.3.1.10.
4.6.12 Primary power transient test. Perform steps 1 and 2
of table X to obtain a range readout on the commanders controls.
1
Reduce the primary input voltage to a value of +6 + 0 for a duration
of 100 + 10 milliseconds and observe the commanders control readout to
determine compliance with 3.3.1.1.11a. Apply a primary input voltage
transient of 90 + 05volts for a duration of 100 milliseconds. Perform
steps 1 and 2 of table X, then reapply the +90 volt, 100 10 millisecond
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