Installation guide

Operation Verification
Frequency Range and Accuracy Check
Chapter 3 23
Frequency Range and Accuracy Check
The frequency range is tested by determining the frequency accuracy relative to the timebase
at the frequency limits of the signal generator.
Connect the Test Equipment
Figure 3-1 Frequency Range and Accuracy Equipment Setup
Configure the Signal Generator
1. Press Preset.
2. Press
Mod On/Off. The MOD OFF annunciator is now displayed.
3. Press
Amplitude. Enter 0 using the numeric keypad and press the dBm terminator softkey.
4. Press
RF On/Off. The RF ON annunciator is now displayed.
Configure the Frequency Counter
1. For frequencies < 150 MHz, use Channel 3. Press Freq Ratio until CH3: is displayed.
The input attenuation of this channel is a persistent 50Ω.
NOTE Set the gate time to > 5 seconds for maximum counter accuracy. Press
Gate & ExtArm twice and use the arrow keys to set value.
Verify that the counter is phase-locked to the 10 MHz external reference.