User's Manual
19
Temperature Display Unit (
o
F/
o
C)
Step Procedure / Description LED indication
1
In the System Main (SYS) screen:
Press > to navigate to the display unit (F/C)
screen. Press + or – to entry the setting.
2
Press + or - to select temperature display unit (°F
/ °C). Press > to confirm your selection.
Default is Fahrenheit (°F)
Sleep Timer
Step Procedure / Description LED indication
1
In the System Main (SYS) screen:
Press > to navigate to the LED sleep timer (LED)
screen. Press + or – to entry the setting.
2
Press + or - to adjust LED sleep timer.
Range: 3 to 60s or Always On
If powered by battery: 5s by default
If powered by 24Vac: 60s by default
Press > to confirm your selection.
Remark:
Reducing sleep timer value can enhance
ZTS-500US battery service life significantly.