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Display refresh mode is indicated. In the FAST mode refreshment is fastest 
with regular interval approximately 0.7 s. In the dynamic refresh mode 
(DYN.) each 15 s refresh interval of display is doubled to maximum 5 s  
if measured values are stable. If measured values change, refresh interval 
decreases to approximately 0.7 s. This dynamic mode prolongs battery life 
significantly. Select the desired mode by ENTER key.  
Notice: if battery voltage is low, the FAST mode is out of operation to 
reduce current consumption independently on this selection. 

 

 

Each pressing of ENTER key causes displaying of service information on 

software version (upper LCD line) together with instrument configuration 
on the LCD lower line. 

 
 

Alarm indication and setting 
 

It is possible to set lower and upper limit for each measured quantity. 
Breaking of the limit is indicated by blinking of the appropriate value on 
the display. If a new alarm was indicated (i.e. it was not active in the 
previous measurement), display starts to display the value out of limits. If 
at least one alarm is active, audio indication can be activated, if menu 
AUDI "On" is selected (see setting described above). Alarm activation of 
each  value can be disabled by setting lower alarm limit of the desired 
value up to its  maximum. This is indicated by OFF reading at the position 
of numeric value. Value of upper limit of the same alarm is indifferent. 

 
 

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To set alarms press MENU key, select ALAR from menu items and 
confirm by pressing ENTER key. 

 
 
 

Reading ALLO indicates adjusted lower alarm limit (here air temperature). 
Set the desired value by means of the arrow keys. Press and hold the arrow 
key UP to make value increase fast. Press and hold the arrow key DOWN 
to make value decrease fast. Release the arrow key and press ENTER to 
confirm new limit. 

 

Reading ALHI indicates adjusted upper limit of the same alarm (here air 
temperature). Set the desired value in the same way as in above lower 
limit. If needed it is possible to get back to lower limit setting of the same 
alarm by pressing DISPLAY key. Press ENTER key to confirm new upper 
limit. 

 
 

Then you are offered to set alarm of other input value (here relative 
humidity). The procedure is the same as the above temperature limit 
setting. Alarm activation of each  value can be disabled by setting lower 
alarm limit of the desired value up to its  maximum. This is indicated by 
OFF reading at the position of numeric value. Value of upper limit of the 
same alarm is indifferent. 

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