User Guide

User interface

Display interface

Display module mechanical concept

Figure 73 LCD module

Display features:

• 208x208 resolution with 262k colors

• Active area is 1.67”

• Partial display function Power saving by pausing display process on part of the screen.

• Built-in RAM capacity 208rows×208lines×18bit

Display is controlled via MeSSi interface by RAPGSM. All MeSSi signals are going through the EMC filtering ASIPs.

Keyboard

The device keyboard consists of 29 separate keys.

The keyboard is partitioned in two separate keyboards: upper (23 numeric and function keys) and side keys

(6 keys; PRW key and 5 side keys).

The keyboard is implemented as a matrix keyboard, which is connected directly to the dedicated keyboard

GENIO lines.

RM-86

System Module Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 9 –13