Aeroflex Operation Manual
PSD60-2R – REV 01 – SEPTEMBER 30, 2010 – PAGE 1-3
ITEM
FUNCTION
DESCRIPTION
S4
POWER INTERRUPT
SWITCH
Turns power off when lid is closed regardless of the position of
Power Switch
S1
POWER SWITCH
Applies power to the test set.
A3S1
FUNCTION SELECT
Used to select function to be performed.
MEASURE EXT
Use to select measurement of TANK UNIT parameters through
P4, J5, P6 and/or J7 depending on MEGGER SELECT switch
(A3S2) position.
MEASURE INT
Use to select measurement of SIMULATOR capacitance
depending on SELECT switch S3 (TU or COMP) position.
DTF
Sets the unit to measure distance to fault.
SIM TU & COMP
Connects the two simulators to the INDICATOR jacks
(P1, J2, & P3) for capacitance output.
SIM TU ONLY
Connects the TU SIMULATOR to the INDICATOR TU jacks
(P1 & J2) for capacitance output.
AIRCRAFT ONLY
Disconnects both simulators from the INDICATORS jacks
(P1, J2, & P3)
A3S2
MEGGER SELECT
Use to select parameter to measure depending on the position
of the FUNCTION SELECT switch.
S12
MEGGER MODE
2-WIRE / 3-WIRE
Changes the Megger section from the 3-wire mode to the 2-
wire mode. See Appendix A for details of the 2-wire and 3-wire
operation.
A1DS1
LCD Display
Displays:
1. Frequency of LO-Z signal.
2. Capacitance under test, either internal or external.
3. Insulation resistance of system wiring or unit under test.
4. Relative charge of the PSD60-2R batteries.
5. Capacitance measurement mode
A1S1
CALIBRATION MODE
Switch
To put the unit in Calibration mode, the screw is removed and
the switch beneath the screw hole is held depressed during
power up.
P1
INDICATOR LO-Z
Allows connection from test set TU SIMULATOR to aircraft
FQGs.
J2
INDICATOR HI-Z
Allows connection from test set SIMULATOR (TU, and COMP)
HI-Z line to aircraft FQGs.
P3
INDICATOR COMP
Allows connection from test set COMP SIMULATOR to aircraft
FQGs.
P4
TANK UNITS LO-Z
Allows connection from test set measurement circuits to aircraft
tanks.
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