air data test set mps 30 digital portable user manual - CALIBRATION ...

16.0 USE OF AN EXTERNAL VACUUM PUMP.
MPS 30 User’s Manual DMMC/0803/CM
If the altitude slew rates or the maximum altitude that can be obtained with the
internal pumps are insufficient, an external vacuum pump can be used. Connect the
external pump trough the vacuum port (Fig. 2, No. 5).
17.0 429 BUS DATA DISPLAY (ARINC OPTION)
It’s possible to have the 429 Bus Data Display (ARINC Option) in the MPS30.
This option consists of a dedicated electronic card inserted into apparatus and two
BNC plugs placed on front panel.
To activate the ARINC Option, connect the MPS 30 to the aircraft through the
BNC connector (High and Low). After connection, push the Fe key ( +5) on the
HHRCU. On first time the operation program requires to set the Transmission Rate:
RATE: LOW (or HIGH)
Use UP key (▲) or DOWN key (▼) to select the correct Rate, then push the GO
key. The following Data (Labels) will be displayed:
203 STANDARD ALT (Ft)
204 BARO CORRECTED ALT (Ft)
205 MACH NUMBER (M)
206 COMPUTED AIRSPEED (Kt)
210 TRUE AIR SPEED (Kt)
212 ALT RATE (Ft/min)
215 DIFFERENTIAL PRESSURE (hPa)
217 STAT PRESSURE (hPa)
234 BARO CORRECTION (hPa)
On the HHRCU display Data turn up three at a time under the notice:
ARINC SERVICE
It is possible to run over Data Index trough UP key (▲) or DOWN key (▼).
During Data display, the pressure control mode continues on MPS 30.
Pushing alternatively on the GO and Fe keys, it’s possible to pass from
operational menu to ARINC Data display (starting from the last selected one).
Issue Aug. 03 D. Marchiori PROPRIETARY INFORMATION - 46
This material not to be disclosed or reproduced.