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Barrow Hill: Curse of the Ancient Circle Hints
How can I get the tower to work?
1 of 21: Look around its base for something you can interact with.
2 of 21: On its back side is a large panel that you can use.
3 of 21: Click on it to open it, and again to get a close-up.
4 of 21: Inside the panel is a MHz (mega-hertz) display that's blank, a big red button that doesn't do anything yet, and a smaller panel that you can open.
5 of 21: When you open the smaller panel, the MHz display and the one below it come on, and you have access to a 2X5 array of unlabeled buttons.
6 of 21: Try clicking on the buttons to see what happens to the MHz display.
7 of 21: Each time you click a button, it lights up and either adds or subtracts a certain amount from the MHz value. (Click the same button again to undo the effect.)
8 of 21: Apparently, you're supposed to press whichever buttons will bring the MHz value to a certain number.
9 of 21: To find out what that number is, close the small panel and then click on the notice that's pasted to the outside of it.
10 of 21: According to it, this base station only operates when its MHz value is between 830 and 865.
11 of 21: So reopen the small panel and press buttons until the MHz display has a number somewhere within that range.
12 of 21: If you don't want to press buttons randomly and trust to luck, the first thing you'll need to do is experiment with each button to see exactly how it affects the MHz value.
13 of 21: Below is a graphic of the button panel that has the exact value modifications for each button written in.
14 of 21: There are various solutions to this puzzle, and the simplest way to figure out a solution is to subtract the starting MHz value from the desired range's two endpoints to see how much you need to add to the starting value.
15 of 21: 830 (the lowest acceptable value) minus 717 (the starting value) equals 113, and 865 (the highest acceptable value) minus 717 equals 148.
16 of 21: So you need to add a total of anywhere from 113 to 148 to the starting value. How could you do that with the buttons available?
17 of 21: The +5 and +50 buttons aren't enough, so you'll have to start with +200 and work your way down.
18 of 21: To get from +200 to a value within range, you could use the -50 button to get the net gain down to +150, and then use the -5 button to get it down to +145.
19 of 21: That's in the acceptable range, so use those buttons.
20 of 21: Specifically, press both buttons on the top row and the right button on the bottom row.
21 of 21: Once you have that or another workable solution entered, hit the big red button that's to the right of the small panel to get the tower going.
