
38
tions. The red Clear Key is used to clear the display and cancel Program-
ming Console operations. Key functions are described in detail in the next
section.
3-3-1
The Keyboard
Key
Function
FUN
Function Key
Designates instructions via function codes or designates Programming Console
functions.
NOT
NOT Key
Pressed after the Load, AND, or OR Key to designate a normally closed
condition with the LOAD, AND, or OR instructions.
SHIFT
Shift Key
Designates the upper function on keys that have two functions. Used with the
CH/* Key, the Bit/Constant Key, or Numeric Keys 0 through 5.
AND
AND Key
Inputs an AND instruction.
OR
OR Key
Inputs an OR instruction.
LD
Load Key
Inputs a LOAD instruction when pressed alone or an OR LOAD or AND LOAD
instruction when pressed after the OR or AND Key.
OUT
Output Key
Inputs an OUTPUT instruction when pressed alone or an OUTPUT NOT
instruction if pressed before the NOT key.
TIM
Timer Key
Inputs a TIMER instruction.
CNT
Counter Key
Inputs a COUNTER instruction.
LR
Link Bit Key
Indicates an LR (link) bit.
DR
Data Bit Key
Indicates a DR (data) bit.
CH
*
Word/Indirect
Address Key
Indicates an indirect DR address when pressed without the Shift Key and
designates a word address when pressed after the Shift Key.
CONT
#
Bit/Constant Key
Indicates a bit or a constant depending on whether the Shift Key is used.
CHG
Change Key
Pressed to change the content of a memory address.
DEL
Delete Key
Pressed to delete an instruction in combination with the Up Key.
INS
Insert Key
Pressed to insert an instruction in combination with the Down Key.
CLR
Clear Key
Normally cancels operations and resets the Programming Console.
ENT
Enter Key
Inputs instructions, set values, and other data.
Up Key
Pressed when reading programs to scroll the program memory address or
pressed to delete instructions (see Delete Key).
Down Key
Pressed when reading programs to scroll the program memory address or
pressed to insert instructions (see Insert Key).
MON
Monitor Key
Pressed to monitor bit status or word content.
to
to
Numeric keys
Input numeric values, addresses, and other data. The Shift key is pressed
before the 0 through 5 Keys to input hexadecimal numerals A through F.
The Programming Console
Section 3-3