How to control the number of ticks on vertical axis and their scale

Suppose you get values ranging from 0 to 700. You want to plot 7 lines and want to show 0, 1, 2, 3, 4, 5, 6, 7 instead of 0, 100, 200, 300, 400, 500, 600, 700. You should write then: YTics[myrouter]: 7 YTicsFactor[myrouter]: 0.01