2548H INSTRUCTION MANUAL
56-101-00420 Rev. C
Ch. 3
Nov
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07
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14
Page 31 of 33
(3) Setting “FULL” Adjustment
(a) Rotate the TEST FUNCTION selector to CAP BRIDGE.
(b) Set TANK CAP pF by entering the sum of ADD COMPENSATOR VALUE and
EMPTY VALUE on the thumbwheel assembly.
(c) Set COMP SIM pF by entering the two left hand digits determined in step (b)
on the thumbwheel assembly.
(d) Place the Test Set’s ON/OFF switch to ON.
(e) Press and hold the COMP CAL pushbutton while alternating adjusting the
COMP CAL 0-10 and D.F. controls for the lowest possible reading.
(f) Release the COMP CAL pushbutton.
(g) Rotate the TEST FUNCTION selector to CAP SIM 1.
Note: The CAP SIM 2 setting is used with certain “ratiometric” systems.
(h) Connect the adapter cable and the Test Set’s CAPACITANCE COAX, TANK,
and COMP receptacles as specified for the system-under-test.
(i) Adjust the amplifier F (FULL) adjustment to achieve an indicated reading of
FULL as specified.
(j) Set the Test Set’s ON/OFF switch to OFF.
(k) Disconnect all test equipment.
(l) Return the aircraft to its original configuration.
