Melitta One:One MES2B Use And Care Manual page 7

2. Fill the Water Tank with fresh water up to the 'Max' line, and fit
back into the Base (down and in) until it "snaps" into place, see
Figure 5.
3. Lift Lid by pulling out on the Lever. Top will pop up. Push back so
Lid is in fully raised position, see Figure 6.
4. Place the appropriate spout, coffee, hot or ice tea, inside the
One:One ™ .
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FIGURE 5
FIGURE 6