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4-2SectionProgramming Console Operations
38
2. Press the SET, NOT, and then the RESET Key to begin the operation.
SET
NOT
RESET
00000MEMORY CLR?
HR CNT DM
3. Press the MONTR Key to clear memory completely.
MONTR
00000MEMORY CLR
END HR DM
Caution The PC Setup (DM 6600 through DM 6655) will be cleared when this operation is
performed.
Partial Clear It is possible to retain the data in specified areas or part of the Program Memory.
To retain the data in the HR, TC, or DM Areas, press the appropriate key after
pressing SET, NOT, and RESET. Any data area that still appears on the display
will be cleared when the MONTR Key is pressed.
The HR Key is used to specify both the AR and HR Areas, the CNT Key is used to
specify the entire timer/counter area, and the DM Key is used to specify the DM
Area.
It is also possible to retain a portion of the Program Memory from the first
memory address to a specified address. After designating the data areas to
be retained, specify the first Program Memory address to be cleared. For ex-
ample, input 030 to leave addresses 000 to 029 untouched, but to clear ad-
dresses from 030 to the end of Program Memory.
As an example, follow the procedure below to retain the timer/counter area and
Program Memory addresses 000 through 122:
1, 2, 3... 1. Press the CLR Key to bring up the initial display.
2. Press the SET, NOT, and then the RESET Key to begin the operation.
3. Press the CNT Key to remove the timer/counter area from the data areas
shown on the display.
CNT
00000MEMORY CLR?
HR DM
4. Press 123 to specify 123 as the starting program address.
B
1
C
2
D
3
00123MEMORY CLR?
HR DM
5. Press the MONTR Key to clear the specified regions of memory.
MONTR
00000MEMORY CLR
END HR DM
4-2-3 Reading/Clearing Error Messages
This operation is used to display and clear error messages. It is possible to dis-
play and clear non-fatal errors and MESSAGE instruction messages in any
mode, but fatal errors can be displayed and cleared in PROGRAM mode only.
RUN MONITOR PROGRAM
OK OK OK
Before inputting a new program, any error messages recorded in memory
should be cleared. It is assumed here that the causes of any of the errors for
which error messages appear have already been taken care of. If the buzzer
sounds when an attempt is made to clear an error message, eliminate the
cause of the error, and then clear the error message. (Refer to Section 5 Test
Runs and Error Processing for troubleshooting information.)