Sw5 - pulser/pump changes switch, Manager's keyswitch, Test points - cpu pcb – Gasboy CFN Series Diagnostic Manual User Manual
Page 38
GASBOY CFN Series
2-12
5307
SW5 - Pulser/Pump Changes Switch
This switch is used for enabling and disabling the ability to change the pulse rates and pump types
of the system. This switch can be sealed by Weights and Measures to prevent tampering at the
site.
Manager's Keyswitch
The manager's keyswitch is used to provide security in the system. The notes below indicate the
relationship of the switch with other switches and functions.
•
To run protected commands and command options or to read the personality EEPROM
configurations, the manager's keyswitch must be on.
•
To change personality EEPROM configurations (except PCU type and pulser divisor), the
manager's keyswitch must be on and SW4-8 must be closed.
•
To change PCU type and pulser divisors, the manager's keyswitch must be on, SW4-1 must
be open, SW4-8 must be closed, and SW5 must be to the right.
NOTE:
If SW5 is not present on the CPU PCB, SW4-1 and SW4-8 are don't cares. You can
change all personality EEPROM configurations by simply turning the manager's
keyswitch on.
Test Points - CPU PCB