1-12 Getting Started Model 2500 and 2502 User’s Manual
Line frequency setting
If the line frequency setting (50 or 60Hz) does not match the power line frequency in your
area, noisy measurement readings will result, and accuracy may be affected. You can man-
ually set the line frequency from the front panel or via remote as covered below.
Front panel line frequency
Set the line frequency from the front panel as follows:
1. Press the MENU key to display MAIN MENU.
2. Using the right arrow key, select AD-CTRL then press ENTER to display A/D
CONTROLS.
3. Select LINE-FREQUENCY, then press ENTER to display LINE FREQUENCY.
4. Place the cursor on 50Hz or 60Hz, and press ENTER.
5. Press EXIT to return to normal display.
Remote command line frequency
Use the following command to set the line frequency:
:SYSTem:LFRequency <Freq>
See Section 17 for additional information on using this command.
Programming example
50Hz operation:
:SYST:LFR 50
Fuse replacement
A rear panel fuse protects the power line input of the Model 2500. If the line fuse needs to
be replaced, perform the steps below:
WARNING Disconnect the line cord and all cables and test leads from the instru-
ment before changing the line fuse.
1. The fuse is located in a holder in the power module adjacent to the AC receptacle
(Figure 1-2). At the right of the fuse holder is a small tab. At this location, use a small
bladed screwdriver to release the fuse holder.
2. Slide the fuse holder out to gain access to the fuse carrier and fuse.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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