Nokia 445PRO User Manual

445N
15
2.3. Checking the Operation of PowerSaver
The proper operation of the function requires a computer with VESA DPMS power management
capabilities. Note that the power saving feature must be activated in the computer wh en checking
the operation.
State Colour of the power-- on indicator 5V Heater 12V Video
Normal Operation Green Yes Yes Yes Yes
Stand-- by Green Yes Yes Yes No
Suspend Green Yes Yes No No
Power Off Blinking Green Yes No No No
DPMS (Display Power Management Signaling) is a trade mark of Video Electronics Standard
Association (VESA)

Nokia 445PRO Specifications

General

Brand	Nokia
Model	445PRO
Category	Monitor
Language	English

Summary

1. Product Overview

1.1. Technical Specifications

Detailed technical parameters for the monitor, including resolution, size, and power.

1.5. Monitor Connection

1.7. Menu

7. Adjustment Procedure

7.1. Adjustment Flow Diagram

Visual guide illustrating the sequence for performing monitor adjustments.

7.2. Preliminary Preparations

Steps required before starting picture adjustments, including warm-up.

7.3. Geometry

Adjustments for picture size, position, and shape using magnetic fields.

7.4. Grey Scale

Adjusting color balance at different brightness levels for accurate color reproduction.

7.5. Maximum/Minimum Contrast

7.6. Focus

7.7. Convergence

Aligning the red, green, and blue electron beams for accurate color display.

2. Site Preparation

2.2. Troubleshooting

Common issues like blank screens or color defects and their potential solutions.

3. Controlling the Memory for Picture Adjustments

3.1. Memory for User Adjustments

3.1.1. Adjustment

3.2. Memory for Factory Adjustments

3.2.1. Adjustment

4. Service Mode

4.1. Grouping of the Adjustments

Categorization of software adjustments available in service mode (Geometry, Grey Scale).

4.2. Service Menu

4.2.1. Access to Service Mode

Step-by-step guide to enter the monitor's service menu.

4.2.2. Geometry

Submenu for picture placement, size, and shape adjustments.

4.2.3. Grey Scale

Adjusting color temperature and tint settings for accurate color reproduction.

4.2.4. Memory settings and Initializing the Replacement IC402 on SMA board

4.2.5. Storing the Adjustments

4.2.6. Exit from Service Mode

5. Workshop Maintenance

5.1. Important Safety Notice

Critical safety precautions for handling and repairing the monitor.

5.1.1. Discharging the CRT

Safe procedure for discharging the high-voltage Cathode Ray Tube.

5.2. ESD-Sensitive Parts

Handling precautions for electrostatic discharge sensitive components.

5.3. Test Equipment

5.4. Test Patterns

5.5. Disassembly

5.5.1. Cabinet

6. Image performance

6.1. Image stabilizing time

6.2 Colour temperature and tracking

6.10 Jitter

6.11 Chromaticity

6.12 Focus

6.13 Convergence

Requirements for aligning electron beams for accurate color display at different screen areas.