Machine’s basic settings402. Menu Overview and Basic Setup• Power Save: When you are not using the machine for a while, usethis feature to save power.• When you press the power button, start printing, or a fax is received, theproduct will wake up from the power saving mode.• Press (Menu) > System Setup > Machine Setup > Wakeup Event> Button Press > On on the control panel. When you press any buttonexcept power button, the machine wake up from the power save mode.• Altitude Adjust: Print quality is affected by atmospheric pressure,which atmospheric pressure is determined by the height of themachine above sea level. Before you set the altitude value,determine the altitude where you are (see "Altitude adjustment" onpage 220).4 Select the option you want, then press OK.5 Press OK to save the selection.6 Press (Stop/Clear) to return to ready mode.Refer to below links to set other settings useful for using the machine.• See "Entering various characters" on page 223.• See "Keypad letters and numbers" on page 223.• See "Setting the paper size and type" on page 48.• See "Setting up the fax address book" on page 224.