luft XC250, Manual, Page: 9 / 15

8 Manual XC250 EN
Configuration mode
1. Press the Left/menu key (13) for approx. 2 seconds.
– The device emits a short beep.
– The CFG symbol (14) is displayed in the upper right corner.
2. Use the Right/back or Left/menu key to choose from the
available settings.
– Please note that some of the settings can only be selected
with a certain measuring mode.
Pabs[hPa]
Alarm
Alt.[ft] CAL12
CFG
20
14
22
23
22
23
Configuration
mode
Description
Lamp Setting brightness.
Available are values between 20 and 100 %.
Switch-off after 30 min unless with setting AL.on.
Pabs[hPa] Only available when the unit g/kg is active.
Specifying the absolute pressure (value range: 600 and
1200 hPa).
1. Enter the value using the cross control (2).
2. Confirm with the OK button (12).
Alt.[ft.] Only available when the unit gr/lb is active.
Specifying the local altitude in feet
(value range: -999 to 9999 ft).
1. Enter the value using the cross control (2).
2. Confirm with the OK button (12).
CAL1 (TH mode) Specifying the temperature offset.
1. (value range: -10 to +10 °C or -18 to +18 °F)
Enter the value using the cross control (2).
2. Confirm with the OK button (12).
CAL1 (IR mode) Specifying the temperature offset.
(value range: -10 to +10 °C or -18 to +18 °F)
Set the degree of emission.
(value range: 0.1 to 1.0)
1. Enter the temperature offset value using the cross
control (2).
2. Press the OK button (12) for 2 s.
3. Enter the emissivity value using the cross control (2).
4. Press the OK button (12) for 2 s.
CAL2 Only available, when % rH is active.
Specifying the offset for relative humidity
(value range: +/- 30 % RH).
A negative offset allows no measured values of less
than 0.00.
1. Enter the value using the cross control (2).
2. Confirm with the OK button (12).
ALARM Only available when IR DP is active.
Stipulating the upper (Hi) and lower (Lo) threshold value
for the dew point temperature.
value range: up to 9.9 °C or 9.9 °F
1. Enter the value for Hi using the cross control (2).
2. Press the OK button (12) for 2 s.
3. Enter the value for Lo using the cross control (2).
4. Press the OK button (12) for 2 s.
5. Switch the acoustic and visual signal on or off by use of
the Up (9) and Down (11) keys.
– If the bars (22) in the upper and lower measured
value display are flashing, the acoustic and visual
signal is activated.
– If the bars (23) in the upper and lower measured
value display are flashing, the acoustic and visual
signal is deactivated.