Agilent Technologies Agilent E6474A manual Gyro positioning, Connecting the Speed Pulse

Set Up Your System 3

Gyro positioning

To avoid inaccuracies in dead reckoning, the Gyro in the Agilent Direct Connect GPS/DR must be positioned so that it is within 10 degrees of vertical or horizontal. The Gyro must be set to indicate the Up position on the unit as follows:

1Position the unit either horizontally or on its right edge (vertically).

2Turn the Gyro Position knob counter-clockwise to loosen it.

3Slide the pin so that it indicates the applicable Up position.

4Turn the Gyro Position knob clockwise to tighten it.

Figure 24 Setting the Gyro pin. If the unit is set on its right side, the pin is set at the alternate position.

CAUTION

Connecting the Speed Pulse

The dead reckoning system is comprised of the Gyro and the Speed Pulse (odometer) connection. The connection of the Speed Pulse cable is vehicle-specific and should be performed by persons trained to do such installations.

When connecting the Speed Pulse cable, the following wiring scheme is used:

Agilent E6474A User’s Guide 53