Model 2701 User’s Manual Remote Operations 10-5
• Enable protected commands. This takes the Model 2701 out of the password-
protected mode. Example using “DEFAULT” as the password:
SYSTem:PASSword:CENable “DEFAULT”
• Query the password protection state (enabled or disabled). Example:
SYSTem:PASSword:CENable:STATe?
• Change the password. The password is case sensitive and can include non-ASCII
characters from 1 to 255. Make sure to enclose the password in quotes. Example to
change password to “INTEGRA”:
SYSTem:PASSword:NEW “INTEGRA”.
NOTE The password can be changed from the Model 2701’s internal web page
(see “Internal web page,” page 10-16).
NOTES:
1. Sending a password-protected command causes error -203 (command protected).
2. Using an incorrect password in a password command causes error -221 (settings
conflict).
3. The present password and command protection state are not affected by *RST or
SYSTem:PRESet.
Battery
System settings, such as remote programming interface settings, are saved in non-volatile
memory. The rechargeable lithium ion battery is used for the 450,00 reading buffer. The
system commands to acquire status information about the battery are listed in Table 10-1.
Error codes associated with the battery:
+555 Cannot charge battery – Will occur approximately one hour after power-up if the
battery cannot charge and needs to be replaced.
+556 Battery removed – Will occur one time on power-up. Subsequent power-ups will
not repeat this error.
NOTE Details on the rechargeable lithium ion battery are provided in Section 1 (see
“Battery,” page 1-4).
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