User manual

4-6 Return to Section Topics 3390-900-01 Rev. C / January 2009
Section 4: Setup Basics Model 3390 Arbitrary Waveform Generator User’s Manual
To set output termination:
1. Press the Utility key, and then press the soft key under Output Setup.
2. To set a load value: Press the soft key under Load / Hi-Z (Figure 4-5). Ensure Load is
highlighted. Use the navigation wheel with the cursor keys, or the numeric keypad to
change the value. You can change the units by using the numeric keypad in combination
with the soft keys.
To select high impedance: Press the Load / Hi-Z soft key again to highlight Hi-Z.
3. Press the soft key under DONE to finish your selection.
To set output termination from a remote interface:
OUTPut:LOAD {<ohms>|INFinity|MINimum|MAXimum}
Setting voltage auto ranging
Auto ranging is enabled at power up (by default) and finds optimal settings for the output amplifier
and attenuators. If auto ranging disabled, the instrument uses the current amplifier and attenuator
settings.
To enable/disable voltage auto ranging:
1. Press the Utility key, and then press the soft key under Output Setup.
2. Press the soft key under Rang to select Auto (Figure 4-6) or Hold (Figure 4-7). Ensure your
selection is highlighted.
3. Press the soft key under DONE to finish your selection.
Figure 4-6:
Setting voltage auto ranging to Auto
Figure 4-7:
Setting voltage auto ranging to Hold
To set voltage auto ranging from a remote interface:
VOLTage:RANGe:AUTO {OFF|ON|ONCE}