POST-INSTALLATION CHECKOUT PROCEDURES
a . Check that all LRU's are securely mounted.
b . Verify that all cables are securely and correctly fastened and routed
properly. Refer to Figure 4-2, System Configuration Diagram if needed.
c . Tighten all tiedown straps and ensure that there is enough slack in the
cables to allow for ease in disconnecting and connecting from the LRU's.
d . Apply a small amount of silicone grease to the O-Ring in the bailout cable
connector of the headset. Connect bailout cables to the bailout connectors
of the vehicle headsets. Connect bailout cables to the HEADSET
connector on the FFCS', and MOS' if present.
POST-INSTALLATION OPERABILITY VERIFICATION PROCEDURES
The following steps are simple go; no-go procedures to ensure that
communication can be accomplished utilizing the LRU's and headsets.
For actual programming instructions and for more thorough operating
procedures refer to the VIS Operator's Technical Manual.
a. Setting the System Configuration on the MCS
1 . On the MCS, set and hold the PROGRAM switch in the STORE
position. While holding the PROGRAM switch in the STORE position
depress and hold the CHANGE button.
2 . While holding the PROGRAM switch in the STORE position and
depressing the CHANGE button, set the SYSTEM switch in the ALL
3 . Observe the display as it cycles through "****", "Pr15", "v07" and "cfig".
When "cfig" appears on the display release the PROGRAM switch and
4 . The display will show the system configuration, e.g. what FFCS'
(1,2,3,4,5,6) and RITs (C/D, E/F) are connected as well as if the ring is
Observing the display while the system configuration is being
conducted allows the operator to cross check if the FFCS' and RIT's
identification switch settings are correct. If there are four FFCS', with
the address switch settings of 1 through 4, then the display should
show "1c", "2c", "3c", and "4c". If a RIT or RITs are connected the
display should show "Cc" or "Cc", "Dc", "Ec" and "Fc".
5 . When system configuration has been completed, the display will show
"done", immediately followed by "Avhf" with the "vhf" portion blinking.
Holding the PROGRAM switch momentarily in the STORE position will