I came across the modification to integrate a twin INS unit into the 727 with the idea of Cthulhus. He also worked out the changed VC textures to have some (non workable) Civa units to show up in the virtual cockpit.

If you want to use his mod completely or just his new INS textures for the cockpit, look here http://www.captainsim.org/yabb2/YaBB.pl?num=1277200750.

If you want to get the double INS solution like on the screenshots, read on. You can use his textures there too of course.

Here's what you'll get
http://img72.imageshack.us/img72/9184/727day.th.jpg http://img844.imageshack.us/img844/2936/727night.th.jpg
(These screens show only the panels, no active navigation here but there are all working of course)

- simicon panel: two new buttons for quick access to CDU and MSU+ADEU
- backlit buttons all the way (can easily be changed, if you like)
- quick Civa access on the default Autopilot popup
- two CDUs, two MSUs, one ADEU reader (if you need two, tell me and I will change the setup), twin Nav switch, double update flags for visual verification of a DME update in progress
- quick open/close buttons on all panels

You won't receive any official support on this because this is a user made modification.


And here's how it's done

1. We are working on the panel.cfg files from all variants of your 727. You should backup them, just in case.
Note: We'll do some modifications on the 727-100 (which is the basepack) and later on the -200 or Freighters, if installed.
Please note that all other variants than -100 need some slightly changed numbers. Be aware of it to avoid confusion.


2. Use the free available Civa INS in version 1.51. All needed documents come with the installer. Reading them is recommended but not necessary for the installation in the 727 panels now.


3. Open the 727-100 panel.cfg with notepad and find [Window Titles]

We are going to add two more windows here by using some free window numbers.
Add these entries

Code (]window07=INS Control Display Units
window08=INS MSU + ADEU[/code):

Note: All Freighter variants need +1 numbers here because they have their "Loader" window additionally. 4. [Window00] (which is the simicon panel) needs two more gauges which are our quick access buttons Add [code]gauge02=../civa/INS!CduPanelIconB,   0,  538, 32, 32, 40 gauge03=../civa/INS!AdeuPanelIconB,  32,  538, 32, 32, 41

after the other gauges present there.

Again: All Freighter variants need +1 numbers here, so watch those numbers again ;)


5. [Window03] (which is the AP popup) gets completely replaced by


Code (][Window03):

size_mm=480,106 window_pos= 0.300, 0.020 ;position=2 Background_color=0,0,0 visible=0 ident=10005 gauge00=Captain_Sim.p721.P12!P12_001_ap,     0, 0, 427, 106 gauge01=../civa/INS!CduPanelIconB,    427, 0, 20, 20, 40 gauge02=../civa/INS!AdeuPanelIconB,    427, 20, 20, 20, 41 gauge03=../civa/INS!NavModeDual,    427, 40, 50, 45

for the 727-100 passenger

and


Code (][Window03):

size_mm=480,106 window_pos= 0.300, 0.020 ;position=2 Background_color=0,0,0 visible=0 ident=10005 gauge00=..\..\CS_B727-100\panel\Captain_Sim.p721.P12!P12_001_ap,     0, 0, 427, 106 gauge01=../civa/INS!CduPanelIconB,    427, 0, 20, 20, 40 gauge02=../civa/INS!AdeuPanelIconB,    427, 20, 20, 20, 41 gauge03=../civa/INS!NavModeDual,    427, 40, 50, 45

on all other variants (Freighters and the -200)


6. Go to the [VCockpit01] section and add

Code (]gauge36=../civa/INS!Config,            0, 0, 0, 0, CS727 // this gauge initializes the Civa INS gauges, "CS727.Isd" is the name of the config file in the Civa folder[/code):

after the last gauge (35) 7. We finally add two completely new windows to the panel.cfg which represent the Civa CDUs and the combined MSU+ADEU reader Go to the end of the panel.cfg file and add these entries but watch the window numbers again on the freighter versions [code][Window07] size_mm=420,221 background_color=0,0,0 window_pos=0.300, 0.160 position=0 visible=0 ident=40 gauge00=../civa/ins!Cdu1,       0,  0, 200, 158 gauge01=../civa/ins!Cdu2,     200,  0, 200, 158 gauge02=../civa/INS!UpdateFlags, 150, 160, 115, 63 gauge03=../civa/INS!CduPanelIconB,    400, 0, 20, 20, 40 gauge04=../civa/INS!AdeuPanelIconB,      400, 138, 20, 20, 41 [Window08] size_mm=420,161 background_color=0,0,0 window_pos=0.300, 0.450 position=0 visible=0 ident=41 gauge00=../civa/INS!Msu1,       0,  0, 200, 57 gauge01=../civa/INS!Msu2,     200,  0, 200, 57 gauge02=../civa/INS!Adeu1,     0, 60, 250, 101 gauge03=../civa/INS!AdeuPanelIconB,    400, 0, 20, 20, 41

8. Save the file and load FSX together with each 727 variant. The installation should look like on the screenshots on 727-100, -200 and all Freighers.
Remember the need for slightly changed numbers? Might be a culprit if something isn't working.

The INS drives the HDG bug now when commanded and of course operational.
So you have to enter the current postion first and align the units to be able to switch them into nav mode.


9. Optionally you can install those fine VC textures mentioned at the beginning of this post. I recommend this step. The link can be found above.

If you already had this mod running, the changes are minor.
I've just added the simicons buttons and repositioned the popups, so there's not need to drag them around anymore like in the previous version.

If you want to have those changes, just use your backup file and start from the scratch. This only takes minutes and minimizes possible errors in editing old files.


If any problems should arise, delete the CS727.Isd file in the Civa folder to allow a clean start of the gauges.
This file saves the last known config and might get corrupted from time to time. No big deal, no essential data lost here.


Sadly, I won't take any responsibility for harming your system or installation with these text changes, neither does Captain Sim of course.

Do this at your own risk and hopefully enjoy the now enhanced INS experience.



Feel free to comment here.
I'm no programmer, I'm just a guy that has read the Civa manuals and started working on the modification after getting the idea from Cthulhus.