Omega WMS-16 User Manual download pdf (Page 8)

WMS-16 Weather Station Operator’s Manual 7

OPERATION

The WMS-16 Weather Station collects and logs data

automatically, requiring little user input. Ultimate control,

however, is provided by the interactive user interface, which

allows the user to direct the WMS-16 to perform certain

specific functions by choosing one of the six options offered

on the main menu

(Figure 3).

Software

The firmware contained in the WMS-16 has all of the

programs required to use the weather station with a P.C.

operating in the communications mode (such as

HyperTerminal in Windows). Communication between the

WMS-16 and the P.C. is made by connecting the RS-232

cable to either COMPORT 1 or COMPORT 2. In order to

facilitate getting started if you are using Windows you may

open the HyperTerminal program with all of the proper

communication settings for communicating with the WMS-16.

The communications parameters required to interface the

WMS-16 to an RS-232 data link are as follows:

Baud rate 9600

Data Bits 8

Stop Bits 1

Parity None

Handshaking Xon/Xoff

Once the main menu is present proceed with the station setup

procedures as described in the next section.

Station Setup

Press “Esc” to get to the main menu. Press “1” at the main

menu to initiate the Station Setup procedure. This procedure

allows you to specify certain operational parameters that the

WMS-16 uses in its calculations and on its display. Run

Station Setup when using the weather station for the first time.

After that, ignore it – unless you wish to change one or more

of the settings.

When you press “1” at the main menu, the parameters

available for customizing appear as items 1 through 8.

Station Name

1. Type the name of the station.

2. The station name may be any series of alphanumeric

characters up to 50 characters long. After the station

name is entered press “Enter” and select the next

item.

Units of Measure

Press 2, Units of measure. A warning message will appear

stating, “ Changing units will cause data to be logged in the

new units of measure”. You should clear logging memory to

avoid mixed data values. Do you want to continue? [Y or N]:

If you want to change units of measure press ”Y” and the

menu will ask you English or Metric? Select E or M and press

“Enter”.

The menu will ask if you are sure you want to delete log file

[Y or N] if you have changed units then answer “Y” if not

“N”. and press “ Enter”.

PARAMETER ENGLISH METRIC

Speed Mph M/s

Direction Deg Deg

Temperature ºF ºC

Humidity % %

Barometer Inhg Mb

Precipitation inches mm

Table 2

Averaging Period

Press 3, Averaging period. The averaging period is user

selectable over the range from 1 minute to 60 minutes. The

stored data will be the average of the data measured at five-

second intervals over the user selected averaging period. If the

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