User's Manual
Table Of Contents
- Cover
- Approvals And Safety Summary
- Introduction 1
- 1.1 About This Manual
- 1.2 Supporting Collateral
- 1.3 About The 7535 G2 Hand-Held Computer
- 1.4 7535 G2 Hardware Architecture
- 1.5 The Portable Docking Module
- Controls 2
- Support Services And Worldwide Offices
Chapter 1: Introduction
The Keyboard
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Psion Teklogix 7535 G2 Hand-Held Computer Service Manual
1.4.5.8 Display Variants
The 7535 G2 is available with the following displays:
• Colour with no touch screen.
• Colour with 4-wire touch screen.
• Colour with 5-wire touch screen.
The touch screen is provided as part of the display window glass. Devices with no touch screen have
plain glass.The 5-wire touch screen is more accurate than the 4-wire touch screen, but is more fragile.
The display and touch screen are connected to the motherboard of the 7535 G2 through a Display
Transition Board (DTB). The displays with the 4-wire touch screen use a DTB with part number
1916135-004; other displays (those with no touch screen and with the 5-wire touch screen) use DTB
1916135-001.
Table 1.2 Display Options For The 7535 G2
1.4.6 The Keyboard
The 7535 G2 has two types of available keyboard layouts. One type has 58 keys; the other has 37 keys.
Windows CE .NET returns ‘virtual key codes’ for keypresses. Psion Teklogix’ keyboard drivers take into
account when Psion Teklogix’ own special modifier keys (such as the Blue or Orange key) are pressed;
the keyboard driver provides the virtual key code of the modified key.
1.4.6.9 The Keyboard Backlight
The 7535 G2 has a backlight behind its keyboard. This backlight can be adjusted for intensity, and can be
configured to turn on when the ambient light level drops below a configured value.
1.4.7 The LEDs
The 7535 G2 has four tri-coloured indicator LEDs.
1.4.8 The Beeper
The 7535 G2 has an internal beeper whose volume can be manually adjusted via keyboard hot-keys.
1.4.9 Accessory Cards
The 7535 G2 can accept accessory cards, which fit into internal slots in the unit. These cards can contain
additional memory, a radio, or other accessories. Typically, 7535 G2 hand-held computers are configured
at the factory and arrive ready for use. These slots are accessible when the terminal’s endcap is
removed.The 7535 G2’s accessory-card slots are not intended for user modification.
Display
Display Part
Number
Display
Transition Board
Touchscreen Window Part Number
Colour 1030033-001
1916145-001
none 1020052-001 (glass)
5-wire 1030079-999 (5-wire touchscreen)
1916145-004 4-wire 1030170-999 (4-wire touchscreen)