Model 4420-V001
DIGISTANT
®
Page 18
3.1.2 Description of each key
0
9
Number keys
For entering numerals.
.
P
Point key
IN:
Selection of pressure measurement
OUT: For entering the decimal point
Sign key
For entering the sign.
C
Cancel key
For cancelling a current entry.
mA
Milliampere key
- For acknowledging an entered current value.
- I
n the measuring mode, this effects a switch over to current measurement.
mV
Millivolt key
V
Volt key
- For acknowledging an entered voltage value.
- I
n the measuring mode, this effects a switch over to voltage measurement.
→
STO
Store key
or cursor right key - For storing the currently entered value and the currently set delta-X value in
the transmission mode.
- In the measurement mode, this activates/deactivates the data logger.
- As the cursor right key, it is meant for scrolling through the various
parameters in the function menus.
←
RCL
Recall key
or cursor left key - For retrieving a stored value-pair (transmission and delta-X values)
in the transmission mode.
- As the cursor left key, it is meant for scrolling through the various
parameters in the function menus.
Cursor up key
Cursor down key
- If the delta-X function is being used, the set delta-X value is added to
or subtracted from the value just entered.
- If the ramp function is being used, the set ramp can be processed
step-by-step in both directions.
- If the menu function is being used, this key allows cursor control.
FCT
Function key
For menu selection of the special functions.
ENT
ENTER key
- For indirect menu selection of a special function.
- For exiting the menus of the special functions.
-
Serves as the LOCAL key during operation via an external interface.
Ramp key
Toggle function: For activating/deactivating the ramp function.
1/0
Start/Stop key
Toggle function: For starting/stopping the ramp function .
ON/
OFF
ON/OFF key
For switching the device on/off.
Lamp key
For switching the LED background illumination on/off.
TC
TC key
For selecting thermocouple transmission/measurement.
RTD
RTD key
For selecting RTD transmission/measurement.
IN/
OUT
IN/OUT key
For switching over between transmission and measurement.
UNIT
Units key
In the transmission mode, this key acknowledges the entry of a
value for TC or RTD transmission.
In the measurement mode, TC or RTD measurement is selected.
±
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