read into main storage and used as channel control
words and as a psw that controls subsequent system
operation.
The system controls are divided into three sections:
operator control, operator intervention, and customer
engineering control.
OperatorControl Section
This section of the system control panel contains the
operator controls required when theCPU is operating
under supervisory program control.
The main functions provided are the control and
indication of power, the indication of system status,
and operator-to-machine communication. These in
clude:
22
Emergency power-off pull switch
Power-on back-lighted key
Power-off key
Interrupt key
Wait light
Manual light
System light
Test light
Load light
Load-unit switchesT.oad key
Operator Intervention Section
This section of the system control panel provides
controls required for operator intervention into normal
programmed operation. These include:
System reset key
Stop key
Start key
Rate switch (single cycle or normal processing)
Storage-select switches
Address switches
Dataswitches Store key
Display key
Set Ie key
Address compare switchesCustomer Engineering Section
This section of the system control panel provides the
controls intended only for customer engineering use.
Customer engineering controls are also available on
some storage, channel, and control-unit equipment.
words and as a psw that controls subsequent system
operation.
The system controls are divided into three sections:
operator control, operator intervention, and customer
engineering control.
Operator
This section of the system control panel contains the
operator controls required when the
under supervisory program control.
The main functions provided are the control and
indication of power, the indication of system status,
and operator-to-machine communication. These in
clude:
22
Emergency power-off pull switch
Power-on back-lighted key
Power-off key
Interrupt key
Wait light
Manual light
System light
Test light
Load light
Load-unit switches
Operator Intervention Section
This section of the system control panel provides
controls required for operator intervention into normal
programmed operation. These include:
System reset key
Stop key
Start key
Rate switch (single cycle or normal processing)
Storage-select switches
Address switches
Data
Display key
Set Ie key
Address compare switches
This section of the system control panel provides the
controls intended only for customer engineering use.
Customer engineering controls are also available on
some storage, channel, and control-unit equipment.