Reference Guide

5-10
PDT 6800 Series Product Reference Guide
To cancel the effect of a modifier key, press it again.
Keyboard Speed
If your application program allows it, the characters may be set to appear faster or slower.
Refer to the Series 3000 Application Programmer's Manual for more information.
Keyboard States
The keyboard states are listed below in the order in which they take priority, unless changed
by the application.
Unshifted
Shifted
Function
Control
The standard cursor shapes for the keyboard states are shown in Table 6-1 on page 6-2.
Momentary and Locked States
Each keyboard state is either momentary or locked. A momentary state lasts for only the
following keystroke. A locked state lasts until the activator key is pressed again.
Only one momentary state can be active at a time. Momentary states always take priority
over locked states. If you press several momentary state keys in a row, the system changes to
the state of the last key pressed. For example, if you press SHF, then CTRL, the terminal
enters the CONTROL state.
The CTRL, SHF, and FUNC keys activate a momentary state. If you press a momentary state
key twice in a row, the system enters the state and then cancels it. For example, if you press
SHF, SHF, the terminal is shifted and then immediately unshifted.
When batteries are low, the cursor changes. See Cursor Indicators, Table 6-1 on page 6-2.
When an operator ends a momentary state (by toggling it off or by completing the key
sequence), the system returns the keyboard to the last active locked state.
Note: Pressing the FUNC key does not clear the last momentary state.
However, pressing another momentary key after FUNC clears the
FUNCTION state.