Appendix A 
In the descriptions below, the lines marked with ">" show what is displayed in the 
top row of the readout. 
EXER 05 Display Operating Time and Power Cycle Count 
> HRSON nnnn OFF/ON CYCLES mmmm 
nnnn = Accumulated Number of Hours with Power Applied 
mmmm = Accumulated Number of Power Cycles 
EXER 06 Select Setup to Use at Power Up 
> POWER UP TO POWER DOWN SETUP 
Instrument will power up with the setup in effect at power down. 
> POWER UP TO SETUP 1 
Instrument will power up with the setup stored as setup 1. 
EXER 07 Enable/Disable Setup SAVE and Sequence Definition 
> ENABLE SAVE AND SEQUENCE-CHANGE 
All Save and Sequence functions are enabled. 
> DISABLE SAVE AND SEQUENCE-CHANGE 
All Save and Sequence-definition functions are disabled. 
> ENABLE SAVE
 1
 - 8, NO SEQ-CHANGE 
Only setups
 1
 through 8 can be changed. BEGIN/STEP/END 
attributes cannot be changed for any setup. 
EXER 08 Initialize Setups 
> COUPLING UP CLEARS SAVED SETUPS 
Press upper Trigger COUPLING to clear all saved setups. 
Press lower Trigger COUPLING to retain saved setups. 
A-2 
2465B/2455B/2445B Operators