7
ST621TX INSTRUCTION MANUAL
Indicator Description
Function
Clock Display
Displays the day and time
Temperature indicator Displays set or measured temperature
Alphanumeric Display Displays menu and other status messages
Programme Number
Displays the number of the
indicator
active (selected) programme
Output indicator
Indicates output is turned on.
Holiday indicator
Indicates Holiday operation mode is selected
Battery Status
Indicates battery is low
RF Signal indicator
Indicates the unit is transmitting
a wireless signal
RCC indicator
Indicates the status of the Radio Controlled Clock
Service indicator
Indicates Service function is active
Frost Mode indicator
Indicates frost setting is turned on
Touch Lock indicator
Indicates touch lock is activated