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Section 3: Function and features
Series 2230G Triple-Channel Power Supplies User's Manual
3-8
2230G-900-01 Rev. A / June 2018
6. Press the down arrow key to select
On
.
7. Use the numeric keys, the up and down arrow keys, or the navigation wheel to adjust the voltage
value. The value must be less than the rated voltage of the power supply.
8. Press
Enter
.
9. Press the
Esc
key to exit the menu.
Set the output timers
You can set the amount of time that the output stays on for each channel. When the OUTPUT On/Off
key is pressed, the timers start and the output is turned on. When each active timer expires, its
corresponding channel output turns off. The timer range is from 0.1 seconds to 99999.9 seconds.
To set the output timers:
1. Press the
Menu
key.
2. Press the down arrow key to select
Protection Settings
and press
Enter
.
3. Press the down arrow key to select
Output Timers
and press
Enter
.
4. Use the up and down arrow keys to select the correct channel and press
Enter
to confirm.
5. Press the down arrow key to select
On
and press
Enter
.
6. Use the numeric keys, the up and down arrow keys, or the navigation wheel to adjust the timer.
7. Press
Enter
.
8. Press the
Esc
key to exit the menu.
Set the key lock status
You can set the key lock status for each channel in the Protection Settings menu. This function
prevents any adjustments from being made to the instrument. Once the lock is activated, a four-digit,
user-specified password must be entered to change any instrument settings. After the front panel is
locked, only the OUTPUT On/Off key, left and right arrow keys, Channel SELECT (CH1, CH2, CH3),
V-Set, I-Set, and POWER keys function. However, changes to settings cannot be made unless the
password is entered. Turning the power off deactivates the lock and resets the password.
To set the key lock status:
1. Press the
Menu
key.
2. Press the down arrow key to select
Protection Settings
.
3. Press
Enter
.
4. Press the down arrow key to select
Key Lock
and press
Enter
.
5. Use numeric keys to input a four-digit password and press
Enter
.