WX 200 Weather Station
(630-1015)             Using Relative Humidity        Faxback Doc. # 38343


The WX 200 samples the indoor and outdoor air temperature and determines
the relative humidity percentage every 10 seconds.  To view the current
indoor (IN) and outdoor (OUT) relative humidity conditions, repeatedly
press < or > until the selection bar appears beneath the HUMIDITY symbol
on the display.

NOTE:  If the current relative humidity is outside the weather station's
       operating measurement range (see "Specifications," Faxback Doc. 
       # 38352), O.R. (out of range) appears on the display.


VIEWING/RESETTING HI/LOW RELATIVE HUMIDITY RECORDS

To view the highest (HI) or lowest (LOW) indoor or outdoor relative
humidity recorded since the last memory reset, repeatedly press MEMORY
until MEMORY and that record appear on the display.  For example,
repeatedly press MEMORY until you see HI and OUT to select the highest
outdoor humidity recorded.

To view the date and time a selected relative humidity was recorded in
memory, press DOWN ARROW.  To recall that relative humidity record,
press UP ARROW.

To reset a selected HI/LOW relative humidity record in memory and record
a new HI or LOW beginning with the current condition, hold down CLEAR
for about 2 seconds until the weather station beeps.


USING THE HI/LOW RELATIVE HUMIDITY ALARMS

You can set the WX 200 to sound an alarm when a set HI or LOW indoor
or outdoor relative humidity is reached.

Each time the relative humidity changes and meets or exceeds a set
HI or LOW indoor or outdoor alarm condition, ALARM and HI or LOW flash
on the display, and the weather station sounds an alarm steadily for 1
minute, then for about 5 seconds once every minute until the relative
humidity moves back within the set conditions for that alarm.  To silence
the alarm sooner, press any key except LIGHT.

NOTES:  If you are using a mode other than HUMIDITY when a HI/LOW relative
        humidity alarm sounds, a bar flashes beneath the HUMIDITY symbol
        on the display but ALARM does not appear.

        If you press a key to silence the alarm, the alarm stops sounding
        but the symbol bar (or ALARM and HI/LOW) continues to flash until
        that alarm condition is no longer met.

        To view the current HI/LOW indoor or outdoor relative humidity
        alarm conditions, select the HUMIDITY mode, then press ALARM
        once to select the indoor (IN) setting or twice to select the
        outdoor (OUT) setting.  Press it again to recall the current
        indoor/outdoor relative humidity conditions.

NOTE:  -- appears when no alarm condition is set.


Setting a HI/LOW Relative Humidity Alarm

To set a HI/LOW relative humidity alarm to sound using the last set
conditions for that alarm, select the HUMIDITY mode and repeatedly
press ALARM until you see the alarm setting you want to use, then press
CLEAR.  The last set conditions for that alarm appear on the display.

NOTE:  The first time you set an indoor or outdoor relative humidity
       alarm after you connect power or press RESET the WX 200 selects a 
       default HI relative humidity condition of 97% and LOW of 10% (for 
       both indoors and outdoors).

To set different conditions for a HI/LOW relative humidity alarm, follow
these steps.

NOTE:  While setting a HI/LOW relative humidity alarm:

       - If you do not press any button for about 60 seconds, the weather
         station beeps, stores any changes you have entered so far, then
         displays the current conditions for that HI/LOW alarm setting.
         If this happens, you must start over at Step 3.

       - To keep the existing condition in any step, simply press SET
         and skip to the next step.

       - Press UP ARROW to set the digit(s) forward, or DOWN ARROW to set
         them backward.

       - To rapidly set the digits forward or backward, hold down UP ARROW
         or DOWN ARROW.

1.  If necessary, repeatedly press < or > to select the HUMIDITY mode.

2.  Press ALARM once to select the indoor alarm setting, or press it
    twice to select the outdoor alarm setting.  ALARM and IN or OUT
     appear on the display.

3.  Hold down SET for about 2 seconds until the weather station beeps.
    The last set humidity conditions for the selected alarm appear,
    and the HI condition flashes.

4.  Repeatedly press UP ARROW or DOWN ARROW to set the HI relative
    humidity condition, then press SET.  The LOW condition flashes.

5.  Repeatedly press UP ARROW or DOWN ARROW to set the LOW relative
    humidity condition, then press SET to store the selected conditions.

    NOTE:  The LOW condition you select must be lower than the selected
           HI condition.  If not, the HI condition flashes again when
           you press SET and you must repeat Steps 4 and 5 to select
           the correct alarm conditions.


Clearing a HI/LOW Relative Humidity Alarm Setting

To clear the conditions for a HI/LOW relative humidity alarm so the alarm
does not sound, select the HUMIDITY mode and repeatedly press ALARM until
that alarm setting appears on the display, then press CLEAR. -- appears.

(LB/km-03/12/1997)