Description of the key functions
MEM (only Therm 300)
To memorize individual measurement values with indication
of memory address number. After the saving procedure, the
memory address number is briefly indicated in the top left
corner of the display screen.
The maximum memorization capacity represents 80
individual values.
A brief double beep is audible to indicate full data
memory.
The function for saving individual values is disabled
during active data recording.
SHIFT + MEM = °C/°F (only Therm 300)
To select between the units "°C" or "°F". The unit pre-setting
is still memorized even after switching off the instrument.
The unit selection is disabled if the following functions
or keys are selected: HOLD,REC.
The unit selection deactivates the following functions:
MIN/MAX display, alarm function, relative value di-
splay.
Measurement point illumination (only Therm 200)
The instrument switches off automatically after approx
2 minutes,.
SHIFT (only Therm 300)
To select the secondary functions (blue marking). When
pressing the key, the symbol "S" is displayed in the bottom
right corner of the screen.
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