Meade Instruments TE923W-M User Manual

Page 23

2. Changing Pressure and Altitude

Select the Pressure and Weather Forecast window. From the main unit: Press UP or DOWN until

the pressure and weather forecast icon starts flashing.

Changing or Setting Sea Level Pressure

• Press SET until the local pressure with the word “SEA LEVEL” is displayed.

• Press and hold MEMORY until the pressure unit is flashing, inHG, mmHG or hPa/mBar

• Set the sea level pressure units by pressing the UP or DOWN buttons to adjust the

pressure value.

• Press MEMORY to confirm your selection.

Changing or Setting Altitude

• Press SET button until the local altitude value will be displayed

• Press and hold MEMORY until the altitude unit is flashing, FEET or METERS.

• Set the altitude unit in meters or feet by pressing the UP or DOWN.

• Press MEMORY to confirm your selection.

NOTE: Locate your altitude with a portable GPS receiver or topographical map .Locate

barometric pressure at: http://weather.noaa.gov/weather/ccus.html or alternatively, barometric

pressure can be obtained from local radio or TV weather channels.

Viewing the Sea Level Pressure History

• From any mode, press the HISTORY button. Unit will select the Pressure/ Weather display.

• When the SEA LEVEL is displayed, press HISTORY repeatedly viewing the sea level pressure

history for the past 24 hours in hour increments.

• If no buttons are pressed for 5 seconds, the unit will automatically exit HISTORY and return to

the Pressure and Weather Forecast Mode.

Viewing the Pressure, Temperature and Humidity Bar Charts

The pressure bar graph shows barometric pressure variations over the past 24 hours. This is very

useful for understanding the Barometric trends that are used in weather forecasting. Each bar icon

represents 0.06 inHg.

Alternatively, the bar chart can be used to display 24 hour trend data for Sea Level Pressure, CH 1

Remote temperature or Ch1 Remote humidity.

Select the Pressure and Weather Forecast window, press and hold ALARM/CHART button to

toggle the bar chart title at the right bottom corner of the chart. Alternate between “PRESSURE”

“CH1”temperature (thermometer icon) and “CH1” relative humidity with (RH icon)”.

Viewing the Moon Phase History

The unit indicates the current moon phase and using the MEMORY control, will permit viewing of

past of future days. Previous moon phases are selected with the minus sign selected: -1 day, -2

days, etc or future moon phase are selected based on the days ahead: +1 day, + 2 days, etc up to 31

days.

• After selecting the Pressure and Weather Forecast Mode, press MEMORY, so “+ 0 days” is

flashing.

• Press UP or DOWN selecting from today’s date a future (+) or past (-) days and the

corresponding moon phase will be displayed. Press and hold either button for a quick advance.

• To exit, press MEMORY button.

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