Section 2: General operation
Series 2200 Programmable DC Power Supplies Reference Manual
2-8
2200S-901-01 Rev. C / March 2016
Keypad special operations
See the following table for the Series 2200 keypad special operations.
Operation
Key press
Display the instrument firmware version.
Shift
+
8
Display the internal temperature of the instrument.
Shift
+
.
(decimal point) +
1
Perform a factory reset. All setups and lists are erased.
Shift
+
.
(decimal point) +
2
Unlock the keypad.
If the instrument's keypad and front panel controls
are locked, you will need a password to unlock
them. If you forget the password, enter the
appropriate default code for the model instrument
you are using:
Model
Default code
2200-20-5
4205
2200-30-5
4305
2200-32-3
4323
2200-60-2
4602
2200-70-1
4721
Cycling the instrument power also unlocks the
keypad.