manual control. Pressing the “SET” button stops temperature modification
and the device will return to operate according the program.
6. TURNING ON THE BACKGROUND LIGHT
Whenyoupressthe”LIGHT” button, the background light of the display
willturnonfor10seconds.Whenyoupressanotherbuttonwhilethe
display is illuminated, the background light will turn off only after 10
seconds have elapsed since the last button had been pushed.
7. CHANGING THE BATTERY
The average lifetime of the batteries is 1 year, but frequent
use of the background light may shorten this time considerably. If
the........icon indicating low supply voltage appears on the display,
the batteries should be replaced (see Section 2). The exact time
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