TFE-4/RV-1 Company Confidential
TF5 Technical Information Nokia Customer Care
Page 8a-6 Copyright © 2005 Nokia Corporation. Issue 2.0 Mar/2005
Company Confidential
CUW-3 is connected to the RU.
The UI style is basically a reduced Jack3 style adapted for in-car usage.
Modes of Operation
The system has four different power modes:
• NO_SUPPLY mode
• BACK_UP mode
•POWER_ON mode
• POWER_ON_PDT mode
In addition, there are modes:
• GSM engine off mode
• Local / Test mode
In GSM engine off mode, the GSM engine is switched off but the system remains pow-
ered to keep an existing BT connection.
The Local/Test mode is used for alignment and testing.
Table 1: LCD Characteristics
Technology CSTN
Display format 84 columns x 24 rows
fixed icons on the left for signal strength
fixed icons for various functions on top of pixeled area
Illumination Mode White LED backlight
Numbers of colours monochrome
Pixel height to width ratio 1:1
Main viewing direction 12 o’clock
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