Toshiba PORTEGE R400 Maintenance Manual page 158

3 Tests and Diagnostics
Subtest A Acceleration sensor
This subtest detects and corrects the each axis (X, Y, Z).
NOTE: Make sure that this subtest is executed on the following condition:
1. Flat desk with vertical plane to get the stability of machine.
2. The vertical wall or plane is necessary.
3. Prevent the machine from shake or shock.
<Example>
Set the machine
against the vertical plane
with the Front upward
Flat desk
The figure below shows the name and position of each side.
Left side
3-46 [CONFIDENTIAL]
Top
(heaven surface)
Back
Vertical plane
Right side
Front
PORTEGE R400 Maintenance Manual (960-623)