Meade TE688W User Manual - Page 12

VIEWING PRESSURE AND ALTITUDE INFORMATION To view pressure or altitude information, press MODE button. The display will alternate between the sea level pressure, local pressure and local altitude screens. PROGRAMMING SEA LEVEL PRESSURE (not required if you did altitude) • Press and hold MODE, until the barometric pressure digits are flashing. • Enter the desired sea level pressure value by pressing UP (? ) or DOWN (? ) buttons. (Press and hold either button for accelerated digit advance.) • Press MODE, to confirm sea level value selection. CHANGING PRESSURE AND ALTITUDE UNITS • Press MODE as needed, until "LOCAL" pressure is displayed. • Press and hold MEM/ HISTORY, until the pressure unit is flashing. • Change local or sea level pressure units by pressing the UP (? ) or DOWN (? ) buttons to select the pressure units. Choose from: inHg, hPa/mBar or mmHg. • Press MEM/ HISTORY to confirm your selection. • Press MODE button until the local altitude value will be displayed • Press and hold MEM/ HISTORY until the altitude unit is flashing. • Select the ALTITUDE unit:, meters or feet, by pressing UP (? ) or DOWN (? ) buttons. • Press MEM/ HISTORY to confirm your selection. VIEWING SEA LEVEL PRESSURE HISTORY • In pressure mode, press MEM/ HISTORY button entering the sea level pressure display. • When the SEA LEVEL is displayed, press MEM/ HISTORY repeatedly viewing the sea level pressure history for the past 24 hours in 1 hour intervals. • If no buttons are pressed for 5 seconds, the unit will automatically return to the default Pressure and Weather Forecast Mode. VIEWING PRESSURE, TEMPERATURE AND HUMIDITY CHARTS The bar chart in Pressure Window can be configured to display a historical data for the sea level pressure and temperature or humidity for channel 1. 12