General Parameter Setting; Select Submenu; Change To The Process Value Display (Run Mode); Lock / Unlock - TESTO 6457 Instruction Manual

9.1

General parameter setting

1. Change from RUN mode to the main menu
2. Select the required parameter
3. Change to setting mode
4. Change the parameter value
5. Acknowledge the set parameter value
6. Return to RUN mode
Note
If [ Lock via system] is displayed, the sensor is permanently
locked via software. This lock can only be removed with service
software.
9.1.1

Select submenu

1. Press [●] to switch from the process value display to the main menu.
2. Press [▼] to select the menu EF and press [●].
3. Press [▼] to select the submenu and press [●].
9.1.2

Change to the process value display (RUN mode)

There are 2 options:
1. Wait 30 seconds (
2. Press [▲] or [▼] to go to the end of the menu and switch to the next
higher menu.
9.1.3

Lock / unlock

The instrument can be locked electronically to prevent unintentional
settings. On delivery: not locked.
Locking:
▪ Make sure that the instrument is in normal operating mode.
▪ Press [▲] and [▼] simultaneously for 10 seconds until [ Reset menu
lock] is displayed.
During operation: [ Lock via key] is displayed if you try to
change parameter values.
Note
9.1.4 Timeout).
[●]
[▲] or [▼]
[●]
[▲] or [▼] > 1s
[●]
>30 seconds (timeout)
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