2548H INSTRUCTION MANUAL
56-101-00420 Rev. C
Ch. 3
Nov
/
07
/
14
Page 26 of 33
9. SYSTEM CALIBRATION
Caution: Before doing a system calibration, test and validate insulation, capacitance, and
all other components of the system.
Note: Refer to the operating instructions in the appropriate Maintenance or Systems
Manuals of specific aircraft/systems and/or components.
A. Calibration Procedure Setup: Method 1 – Dry Tank (Preferred)
Note: Some procedures specify empty adjustments be performed without adapter
cables, or other test equipment connected to the system.
(1) Setting “EMPTY” Adjustment - (Without adapter cables)
(a) Close the appropriate circuit breakers.
(b) If applicable to the system, select the appropriate tank.
(c) Do EMPTY adjustments for the corresponding system.
(2) Setting “EMPTY” Adjustment - (
With adapter cables)
(a) Open appropriate circuit breakers.
(b) Disconnect the amplifier and (if necessary) remove it.
(c) Set up the test equipment.
(d) Refer to Figure 16, Figure 17 or Figure 18 and configure the amplifier and the
aircraft connector accordingly.
(e) If appropriate to the system configuration, select the correct tank.
Note: Do not connect the adapter cable to the test set at this time.
