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38TPS1200
User Interface
3.3 Operating Principles
Keyboard and
touch screen
The user interface is operated either by the keyboard or by the touch screen with
supplied stylus. The workflow is the same for keyboard and touch screen entry, the
only difference lies in the way information is selected and entered.
Turn instrument on Press and hold PROG for 2 s.
Turn instrument off
step-by-step
Lock/Unlock
keyboard
Step Description
)
The instrument can only be turned off in TPS1200 Main Menu.
1. Press and hold both USER and PROG simultaneously.
2. Press YES (F6) to continue or NO (F4) to cancel.
Option Description
Lock To lock the keyboard press and hold SHIFT for 3 s. The message
’Keyboard locked’ is momentarily displayed on the Message Line.
Unlock To unlock the keyboard press and hold SHIFT for 3 s. The message
’Keyboard unlocked’ is momentarily displayed on the Message Line.