L3 FA2100 CVR Component Maintenance Manual With Illustrated Parts List page 194

READ−OUT CENTER/7 (ROC/7) − CATS Autotest
C.
CAUTION:Ensure power is removed from the the RIU before proceeding. If the cable, p/n:
17TES0418 is connected to rear of the unit with the power applied to the RIU,
the RIU may be damaged.
CAUTION:Only connect DC OR AC input voltage. Do not connect both input voltages at
the same time. Connecting both types of input voltages simultaneously will
result in damage to the RIU.
NOTE: The autotest can be performed using DC or AC applied to the RIU.
When autotesting using DC power, proceed to CATS Autotest us-
ing DC power paragraph C.(1). when autotesting using AC power,
proceed to CATS Autotest using AC power paragraph C.(2). When
autotesting using both DC and AC power,to CATS Autotest using
AC and DC power paragraph C.(2).
ROC/7 − CATS Autotest using DC power
(1)
To perform the CATS Autotest using DC power only, follow the procedures below:
(a)
(b)
(c)
(d)
(e)
(f)
NOTE: This will load the Altera chip in the RIU unit. Observe the "con-
necting to the recorder" status window appears.
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
The document reference is online, please check the correspondence between the online documentation and the printed version.
AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
FA2100CVR
Ensure that the RIU has no power applied, power is removed if not al-
ready done. Connect a CVR to the RIU using the cable, p/n:17TES0418
(ROC/7) for the recorder rear connector and cable, p/n:17TES0072 for the
recorder front connector.
If the power supply does not include a built−in multimeter, set up an inline
RMS multimeter. Set to DC amps
Apply power to the RIU using 28 Vdc.
If the CATS test page is not shown, click the L-3 CVDR Test icon on the
Windows desktop.
Click the Ok button on the Monitor Audio Channel pop-up menu.
From the Menu bar, click on Power and select Recorder Interface Reset
from the drop down menus.
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Testing & Fault Isolation
Rev. 15 Page 145
Apr. 14/16