User's Manual
THE PORTABLE INTERROGATOR User Guide
Revised July 2000
Page 48 of 63
Simply enter the first number and press the function button you wish
• Add – by pressing the “+” button
• Subtract – by pressing the “-“ button
• Multiply – by pressing the “*” button
• Divide – by pressing the “/” button
Note that decimal numbers can be entered using the decimal point button. Next enter the
second number and press the Equal sign button. The Portable Interrogator 400 will
display the result in the box.
Let’s do an example. Enter “355” and press the divide by ( / ) key. Next, enter “113”
and press the equal sign. You should see this screen.
Pressing the Exit button will return you to the Utility Menu.
Transferring the Settings to The Portable Interrogator 400 via CONNECT
If you are using CONNECT, The Portable Interrogator 400 settings can be chosen from
the Load Collector Page. CONNECT will download the settings to The Portable
Interrogator 400 when the route information is downloaded.










