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STB6684/A Operation Manual
4.1.6 HUM REJECT
For the difference of enternal source, it is essential to toggle the power frequency so as to
ensure the test accuracy. The power frequency can be toggled between 50Hz (the default
frequency) and 60Hz.
Operational steps for the HUM REJECT setting:
1）Move the cursor to HUM REJECT, the following softkeys are displayed:
50Hz
60Hz
2）Use above softkeys to set the power frequency.
4.1.7 CONTACT CHECK
This function can judge whether capacitive materials like capacitors, cables, contact with the
instrument well, thus reducing the occurance of inaccurate test. Contact check won't increase
any test time.
When this function is turned on and the instrument is in test mode, NO CONTACT instead
of resistance or current will be displayed if no capacitive component is detected.
When this function is turned off, the instrument will make no judgement on capacitive
components but directly test the value.
Operational steps for the contact check setting:
1）Move the cursor to CONTACT CHECK, the following softkeys are displayed:
ON
OFF
2) Use above softkeys to set the contact check to ON or OFF.
Chapter 4 [SETUP]
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