AN3956

Sensors

Freescale Semiconductor

5

Quick Start Guide

How to Read MPL115A Values on APEX Board

APEX Controls:

ON/OFF Switch: Located on the left side, under the LCD screen along the PCB edge. It is a slide switch.

Menu Selection Buttons: Located on the right side, next to the blinking LEDs.

Figure 5. APEX Controls

MPL115A Pressure Shown on APEX Example

Navigating Through the Menu

Screen 1:

Screen 2:

Blinking LEDs

Push Buttons

“Up, Down, ESC

Enter”

On/Off

Slide Switch

Under LCD

Information

Displayed on LCD

UP

DN

ENT

ESC

Detail of Push Buttons

1. Alti/Baro

2. Waterlevel

3. Inertial

4. Additional

Press

UporDN

‘1’

Press UP or DN until option “1. Altimetry” is selected

Press ENT

1. Altimetry

a. MPXM2102A

b. MPL115A2

c. Experimental

Press

UporDN

‘b’

Press UP or DN until option “b. MPL115A2” is selected

Press ENT