Configuring Settings from the Front Panel
M370078-01
3-3
3
Coarse and Fine Adjustment Modes
The coarse and fine adjustment modes are used for setting the voltage and
current set points, OVP and UVP settings.
Coarse
adjustment
mode
When using local operation to set the current and voltage set points, use
the coarse adjustment mode (default) followed by the fine adjustment
mode (see next). The coarse adjustment mode quickly adjusts the settings
in large increments to reach the desired value.
Fine adjustment
mode
Pressing the rotary Adjust/Enter control to change the mode to fine
adjustment mode, provides the ability to manipulate the last significant
digit. Once the exact desired value for the setting has been selected, press
the rotary Adjust/Enter control to commit the value to the unit.
Table 3-1
Select and Set from the Front Panel
9 Positions on the Mode
Control Knob
Turning the rotary Adjust/Enter
control lets you…
Pressing the rotary Adjust/
Enter control lets you…
VOLTS (Voltage
Programming)
Select the voltage set point in coarse
or fine adjustment modes. See
“Automatic Mode Crossover” on
page 3–12.
Set the value selected and
cycle to the next setting.
AMPS (Current
Programming)
Select the current set point in coarse
or fine adjustment modes. See
“Constant Current Mode Operation”
on page 3–12.
Set the value selected and
cycle to the next setting.
FLD (Foldback)
Select Foldback option: CC, CV or
none. See “Setting Foldback Mode”
on page 3–23.
Set the value selected and
cycle to the next setting.
PRT (Protection)
Select the OVP set point (see
page 3–25).
Select the UVP set point (see
page 3–27.)
Select OTP temperature and
Shutdown (see page 3–29.)
Set the value selected and
cycle to the next setting.
SAV (Save User Preset)
Select the user setting memory
location. See “Saving User Setting
Memory Locations” on page 3–35.
Save user setting memory
values.
RCL (Recall User Preset)
Select the user setting memory
location. See “Recalling User
Setting Memory Locations” on
page 3–36.
Load user setting memory
values into the power supply.
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