Function And Number Keys; Special Keys - Psion Teklogix Vehicle-Mount Computer 8590 User Manual

5.4.4 Function And Number Keys

Yellow LED: indicates the status of the [SHIFT] key.
[0]/[F1]: digit [0] or function key [F1] if the [SHIFT] key is pressed
to
[9]/[F10]: digit [9] or function key [F10] if the [SHIFT] key is pressed.
[.]/[F11]: decimal point or function key [F11] if the [SHIFT] key is pressed.
[ ]/[F12]: [BKSP] or [F12] if the [SHIFT] key is pressed.

5.4.5 Special Keys

[S1] Special key:
Pressing this key has the same effect as simultaneously pressing the
[CTRL] and [+] key on the keypad.
[S2] Special key:
Pressing this key has the same effect as simultaneously pressing the
[CTRL] and [-] key on the keypad.
Chapter 5: Operation Of The 8580/8590

Function And Number Keys

8580/8590 Vehicle-Mount Computer User Manual 55