Display

Special operating states and faults

Segment test for display: This is performed automatically each time the device is switched on.

Supply voltage: (s. 11.1) Display after segment test

Below 3.6 V: LOBAT arrow lights up

Wireless link established:

Measuring with wireless transmission:

Programming function selected:

CONNECT arrow lights up

START arrow lights up

FCT arrow lights up

Checksum error during device calibration:

CALEr

Non-connected sensors, deactivated measuring points:

Measuring range / function not permitted:

-----

Err

Sensor breakage:

NiCr

Abbreviation flashes

Measuring range undershot,

CJ or CJ breakage (cold junction)

Value range overshot (>65000):

Measuring range overshot:

Measuring range undershot:

CJ

flashes

65OOO

flashes

Maximum value flashes

Minimum value flashes

10.2 Keypad

To operate the device a keypad with seven keys is provided.

 Operation via the keypad is disabled in sleep mode and in some levels of device locking. (see 13.2).

ALMEMO ® 2790 17