2-8 Basic Power Supply Operation
(Model 2306-PJ) defaults the current limit setting to 600mA since that is the maximum
allowable setting on that range. Toggling back to the 5 amps range reinstates the 3A limit. If the
current limit value on the 5 amps range is ð600mA, the limit on the 500mA range will be the
same when switching from the 5A range to the 500mA range.
NOTE T
able 1-3 shows the menu structure. Rules to navigate the menu follow the table.
Procedure
To edit voltage and current values from the front panel:
NOTE The following pr
ocedure assumes that the appropriate current range is already select-
ed along with current limit mode and voltage protection.
1. Press the SET key to select the output settings mode. A blinking cursor appears in the
v
oltage field of the display.
2. Use the
â–², â–¼,
â–²
and
â–²
keys to key in the desired output voltage value.
• Cursor position (blinking digit) is controlled by the
â–²
and
â–²
keys.
• With the cursor positioned on a digit, increment or decrement the value using the
â–²
and
â–¼ keys.
3. Press SET to move the blinking cursor to the current limit field.
4. Use the
â–², â–¼,
â–²
and
â–²
keys to key in the desired current limit.
5. Press SET to exit from output settings mode.
NOTE Once
in Set Mode (enter Set Mode by pressing the SET key), the active channel cannot
be changed. If Set Mode was inadvertently entered or entered in on the wrong chan-
nel, press the SET key until the blinking cursor disappears to exit Set Mode (once out
of S
et Mode, active channel switching is enabled).
Editing voltage and current values using the SET key cannot be canceled with the
MENU k
ey (the values are immediately committed). Enter the old values by repeating
the editing procedure and manually using the
â–², â–¼,
â–²
and
â–²
keys to key in the desired
output voltage or current value(s).
NOTE SET
key: This key is active in any front panel menu or display mode — if not already
in the output settings mode, the SET key will select it.
Pressing SET to exit the output settings mode returns the instrument to the previous
disp
lay mode or front panel menu.
V and I DACs are updated in real time — if the output is on, the output is updated
immed
iately when a value is altered.
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