Keypad - Ahlborn ALMEMO 2490-1A Operating Instructions Manual

Sensor correction or scaling :
Unlocked to enable sensor adjustment :
Checksum error in
device calibration :
Non-connected sensors,
deactivated measuring points :
Measuring range / function not permitted :
Sensor
Outside of measuring range,
cold junction compensation
or cold junction compensation breakage :
Overshoots values range (>65000) :
Overshoots measuring
flashes
Undershoots measuring range :

9.2 Keypad

To operate the device a keypad with 7 keys is provided :
Function :
To switch ON the device :
To switch OFF the device :
Function :
Measuring points selection (see Section 10.1.1)
Displaying the maximum value : (see Section 10.2)
To delete press and hold down
Displaying the minimum value : (see Section 10.2)
To delete press and hold down
Zero-setting the measured value : (see Section 10.4)
To delete press and hold down
Saving the measured value : (see Section 10.3)
Displaying the battery voltage :
breakage
range
(see Section 7.5)
9. Display and keypad
CORR arrow lights up.
FREE arrow lights up.
CALEr
-----
Err
NiCr
:
undershoots
CJ
65OOO
:
Minimum value flashes
Key
ON OFF
must be pressed and held down
ON OFF
Key
M▲
MAX
MIN
CLR
MEM
ON OFF
flashes
flashes
flashes
Maximum value
or
M▼
19