5. Setting up Control Unit and analyser box measurement system
33
5.5 Assigning function keys
5.5.1 Function bar
· Measurement menu is activated.
As required:
Use
or
to change display view so that the function button which is to be
assigned is visible.
1 Press
, release
and immediately press the function button to be assigned:
- A selection list of the possible functions appears.
2 Select function and confirm with
.
Reversing the assignment:
1 Press menu key
, release menu key
and then immediately press the defined
function key.
2 Select empty field with
and confirm with
.
Function bar
Control Unit
analyser box
Free, non-assigned function button
X
Zoom readings
X
X
Hold current reading
X
Display max. values, since switch-on
X
Display min. values, since switch-on
X
Mean calculation
X
Activate volume flow meas. (with a velocity or external
X
differential pressure probe or internal pressure probe)
Activate/deactivate velocity measurement (with an external differential
X
pressure probe or the internal pressure probe)
Measurement range 40 hPa for internal pressure sensor
X
Measurement range 200 hPa for internal pressure sensor
X
Zero pressure probe at user-defined probe socket (at least one
X
differential pressure probe)
Zero the CO probe
X
Start/stop measurement program
X
X
Determine system configuration
X
Save readings
X
X
Print readings
X
X
Printer line feed
X
X
Turbulence calculation (with connected turbulence probe)
X
Starts the measuring gas pump and indicates the readings on the display. When
X
the function key P Start is clicked on, the function key changes to P Stop
The measuring gas pump stops, the readings are frozen at Hold
X
Switches on and zeros velocity rate measurement with Pitot tube and pressure probe
X
Manual storing of the current values under the displayed location names.
X
Use of the two temperature inputs of the analyser box as separate
X
2-channel temperature measurement with differential temperature display.
Activates the separate differential pressure measurement in the analyser box
X
(draught measurement).The pump is stopped automatically once “d P” is activated.
Initiates the purging and zeroing phase (1 minute). The device draws fresh air
X
through the measurement gas inlet or the fresh air valve (if fitted).
Manual change from measured gas to atmospheric air
X
Manual deactivation of an activated CO sensor
X
and purging with fresh air.
Manual activation of a deactivated CO sensor
X
in the gas path.
Switching the dilution stage (digit in front of x corresponds to the set
X
dilution factor)
Switching the HC module on/off
X
X
Direct display of all error messages
X
V O
On
Save
Delta T
T
d P
P
Null
COoff
COein
Gas ((air)
1 xx
HC O
ON
HC O
OFF
DIAG
Max
Min
Mean
Vol
m/s
dP2
Pext=0
ppm=0
Start
Stop
Search
Save
LF D
Dr
dP1
Turb
Zoom
Hold
P S
Start
P S
Stop
