9. Display and keypad
19
Sensor correction or scaling :
CORR
arrow lights up.
Unlocked to enable sensor adjustment :
FREE
arrow lights up.
Checksum error in
device calibration :
Non-connected sensors,
deactivated measuring points :
Measuring range / function not permitted :
Sensor
breakage
:
flashes
Outside of measuring range,
undershoots
cold junction compensation
flashes
or cold junction compensation breakage :
Overshoots values range (>65000) :
flashes
Overshoots
measuring
range
:
Maximum
value
flashes
Undershoots measuring range :
Minimum value flashes
9.2
Keypad
To operate the device a keypad with 7 keys is provided :
Function :
Key
To switch ON the device :
(see Section 7.5)
ON OFF
To switch OFF the device :
ON OFF
must be pressed and held down
Function :
Key
Measuring points selection (see Section 10.1.1)
M
▲
or
M
▼
Displaying the maximum value : (see Section 10.2)
MAX
To delete press and hold down
Displaying the minimum value : (see Section 10.2)
MIN
To delete press and hold down
Zero-setting the measured value : (see Section 10.4)
CLR
To delete press and hold down
Saving the measured value : (see Section 10.3)
MEM
Displaying the battery voltage :
ON OFF
CALEr
-----
Err
NiCr
CJ
65OOO