Chapter 2 Operating Your Frequency Counter
Using the MEASURE Menu Keys
Operating Guide 2-11
2
Using the MEASURE Menu Keys
Overview of the MEASURE Menus
The measurement function menus are divided into three categories:
• Frequency measurements on Channel 1.
• Frequency measurements on Channel 2 (optional).
• Other measurements (period, ratio (optional), and peak voltage).
To sequence through the Other Meas menu, you simply need to repeatedly press the
Other Meas key to cycle through (and loop around) the items (or measurement
functions) under the key. Each press of a Other Meas key will advance the Counter to
the next measurement function in the menu.
NOTE The menus under the MEASURE keys will terminate (select function and return to
measurement result display) after a short timeout.
WARNING When measuring power line frequencies, be extremely careful and always use a step-
down isolation transformer of which output voltage is compatible with the input
measurement capabilities of this product. Since the shell of the BNC input connector
is grounded to the chassis of the instrument, the hot side of an ac power line could be
connected to the BNC shell and create a direct short to ground. Therefore, NEVER
TRY TO MEASURE AC POWER LINE FREQUENCIES WITHOUT AN
ISOLATION TRANSFORMER.
Table 2-1. Menus of the MEASUREment Keys
Freq Ch 1 key Freq Ch 2 key Other Meas key
FREQUENCY 1 FREQUENCY 2 (optional) PERIOD 1
RATIO 1 TO 2 (optional)
RATIO 2 TO 1 (optional)
VOLT PEAKS 1
Other
Meas
Freq
Ch 2
Gate &
ExtArm
MEASURE
Freq
Ch 1
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