Lightmeter LM10
3. Functions
3.1. Button functions
The four buttons have double functions; the main functions can be called up promptly in the
measuring mode. The buttons help in navigation in menu mode. All the button functions are speci-
fied in table 1.
On/Sound
button:
If this button is pressed for two seconds, the LM10 is switched on or off. When pressed briefly,
the acoustic display (
→
3.2) is activated. This button has an
Esc
-function in menu mode.
Audio/USB
button:
With this, the various audio functions for audible range and ultrasonic range can be activated
with automatic and manual frequency setting.
By pressing the button for two seconds, the LM10 is switched to USB mode (
→
Back
is selected in the menu mode with this.
Selection/Menu
button:
Various measuring probes are selected with this (
→ .
.) The sensor for visible light is
displayed by default. The frequency scan is restarted in the automatic ultrasonic mode. The
frequency is increased in manual ultrasonic mode. By pressing the button for two seconds,
LM10 is switched to menu mode (
→
4.3).
Next
is selected in menu mode.
Record
button:
Activating logger function in LM10L/LS (
→
5). The measurement recording is started or ended
in the duration mode. In the single-spot mode, the measurement is opened and the respective
value is taken when the button is kept pressed further. By pressing the button for two seconds,
the last measured value is saved and the measurement ends. The function of this button is
S
election
→
Enter
in menu mode.
With this, the frequency is reduced in the manual ultrasonic range.
In Peak-Hold mode, the Peak-Hold display can be reset.
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