Programming
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ENV-VST-C - Operation / Reference Guide
AxLink Commands

This section contains AxLink commands that are specific to the ViewStat Color Thermostat. For additional AxLink

programming commands specific to a particular AxLink device, consult the manual for the AxLink device you are using.

5-Day Forecast Commands (Cont.)

FL Forecasted 5-day low temperature
Syntax:
FL <LT1> <LT2> <LT3> <LT4> <LT5>
Variable:
LTx = The low temperature in degrees expected for day x, where x = 1 is the current day, 2 is the next day, etc.
Example:
SEND_COMMAND ’FL 37 39 40 41 38’
Five-day low temperatures.
FK Forecasted 5-day weather conditions. The current weather condition (KYC) is optional.
Syntax:
FK <KY1> <KY2> <KY3> <KY4> <KY5> <KYC>
Variable:
KYx = The weather condition expected for day x, where x = C is the current weather condition, x = 1 is the current
day’s forecast, 2 is the next day’s forecast, etc.
Example:
SEND_COMMAND ’FK SNOW ICE SNOWSW SNOWFL SLEET’
Five-day weather condition forecast.
SEND_COMMAND ’FK SNOW ICE SNOWSW SNOWFL SLEET SNOWFL’
Five-day weather condition forecast with the current weather condition.

AxLink Commands

BK Sets the backlight timeout value and active and inactive brightness.
Syntax:
BK [T<SEC>] [A<ABVAL>] [I<IBVAL>]
Variables:
SEC = An integer with a value between 10 and 300 in values evenly divisible by 10.
ABVAL = A single character with a value of L, M, or H, where L=Low, M=Medium, and H=High
IBVAL = A single character with a value of D or O, where D=Dim and O=Off
Example:
SEND_COMMAND ’BK T20 IO’
Sets the timeout to 20 seconds and Inactive Brightness to OFF.
SEND_COMMAND ’BK T10 AL’
Sets the timeout to 10 seconds and Active Brightness to ON.
CD Retrieves and sets the security code configuration.
Syntax:
CD <Code>
Variable:
Code = A 4-character integer.
Example:
SEND_COMMAND ’CD 1988’
Changes the security code to 1988.