Camera Testing; Hardware Requirements; Camera Test Configuration - Motorola A920 Service Manual

Manual Test Procdures

Camera Testing

This document is intended to describe the procedures
that will determine whether the camera function of a
Motorola terminal is under normal operating conditions.
In order to successfully send test commands to the phone
under test, the phone doesn't need to be in suspend
mode. Follow the listed procedure to configure the
phone to accept test commands.
Handset Test Commands
Not supported
Radio Comm Test Commands
Click AT+MODE then SUSPEND
(Serial Only)
Click USB Initialize and click SUS-
PEND when initialization is complete
(USB Only)

Hardware Requirements

The following hardware will be required to properly
test the camera function of the phone.
1. Desktop Charger (SPN5032A or equivalent)
2. USB or RS232 control interface (refer to fig-
ure 4)
3. Fast Rate Charger (SPN5078A or equivalent)
4. Hardcopy of Macbeth Color Chart
5. Hardcopy of Focus Chart
6. Hardcopy of Grey Chart
3 - 20
Motorola Confidential Proprietary

Camera Test Configuration

Use any color printer to print a hardcopy of the Macbeth
color chart. The Focus chart and Grey chart can be
printed using any B/W printer.
For best results follow this recommended setup,
1. Attach chart to a flat vertical surface (wall)
2. Attach the phone to the desktop charger
3. Attach the control interface to desktop charger
4. If necessary, attach power supply to control in-
terface.
5. Turn on phone.
6. Select Camera option in phone
7. Position Desktop charger so that the camera
test chart completely fills the viewfinder.
Assign a permanent space in the test lab for these test
procedures. Always use the same lighting conditions.
Also, it's recommended that a "golden picture" is saved
and used for comparison.
There is a variety of ways the camera test charts can be
attached to a vertical flat surface. They can be taped,
tacked, attached to flip charts, etc. Use your best judge-
ment.
The desktop charger is being used as a fixture to posi-
tion the phone for test, therefore, it's recommended that
the desktop charger is attached to a countertop to pre-
vent any movement.
A920/A925
Preliminary