TESTO 623 - Time and Unit Settings

6 Using the product
No. Display Function
Setting
option/value
Only if Yes is
selected
24H or 12H
(AM/PM) flash
Set time format 24H/12H
Only if Yes is
selected
Hour flashes
Set hour value 00 - 23 or 01 - 12
Only
if Yes is
selected
Minute flashes
Set minute value 00 - 59
Only if Yes is
selected
Second flashes Set second value 00 - 59
⑤
°C flashes Set unit for
temperature
°C/°F
% flashes
Set unit for humidity
%, td, wb