Optibelt TT 3 - Operation; The keyboard

20
optibelt TT 3
2
2.1 The keyboard
Operation
The TT 3 is turned on and off by touching the on/off key.
If measurement has not taken place for about 5 minutes, the device
switches itself off automatically.
The enter key is used to activate all menu points and to conrm the
data entered.
The reset key deletes the last measurement value or the target value
downloaded from the data bank.
The escape key is used to leave the menu or to interrupt the entering
of information.
The C key deletes the last sign entered.
The direction keys are used to navigate through the menus.
The 4 key activates direct call-up of the Optibelt data bank.
Access to the main key 5.