Ok so everything looks fine here, except for where it says ID Search, I always put to ON.
The other thing just from downloading from RR is that it defaults to scanning all of the towers, meaning that it will search through in Scan Mode for the control channel that you may be out of range for.
I always modify for only what the scanner can hear from my location. So, if you can only here Trudeau tower than that is it, no sense in making it look for control channels of towers you are out of range of.
Put scanner in Search of 700 MHz (ie 769 MHz to 775 MHz and one of 851-867 MHz) write down on paper which towers you can hear from your listening post and go from there.
I would also add a file of Montreal Fire Simplex Fireground. You may be in range, may not. There is a bunch of stuff there
Scanner Frequencies and Radio Frequency Reference for Montreal County, Quebec (QC)
www.radioreference.com
Change up a few things you should be able to get back on track. I would be surprised if the tg's changed. Anything is possible, another reason for the file to be in Search mode.