6.11.2 Language
This menu item allows you to choose German or English as
user interface language.
6.11.3 Device Address
Enter a device address between 1 and 255 for networking with
the RS485 bus. If the LB 134 receives a command via the USB
or RS485 interface, the address contained therein must match
the above address for the command to be processed.
6.11.4 Calibration Type
You can select calibration sets in accordance with DIN ISO
7503-1 and DIN 25415 (A-100). Both types of calibration are
described in detail in chapter 9.5.
6.11.5 Light Off [min]
Here you can enter the automatic switch-off time for the display
backlight. If the backlight is turned on, it will be switched off au-
tomatically when the time preset here is over.
6.11.6 Backlight
Here you can enter the brightness for the display backlight. You
can choose Bright, Medium and Dark. If no key is pressed for
60 seconds, the display light goes out automatically.
6.11.7 Headphones/Relay
Here you can choose whether to connect a relay to the left 6 pin
Fischer jack or a headset to the jack plug socket (3.5 mm diam-
eter). Default is the headset.
An external low-voltage relay can be connected, which is ena-
bled when an alarm limit in the first or second channel is ex-
ceeded. In the event of an alarm, this could be used, for exam-
ple, to operate an external signal lamp. The relay can be sup-
plied with 5V on pin 2 of the Fischer jack, the other terminal of
the relay passes through pin 1 to a transistor, which is internally
protected by a diode (US1K). The maximum current must not
exceed 50 mA. The relay can also be supplied with an external
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