Parameter Selection; Frequency Selection; Level Selection; Offset Selection - East Tester ET1090 User Manual

measurement interface (default); when the power button pops up, the instrument will be shut
down.

4.2 Parameter Selection

4.2.1 Frequency Selection

Step one: Turn on the instrument to enter the interface of measurement display; the interface
is as shown in Figure 4-1.
The second step: Switch the cursor to the frequency display area by using left and right
direction keys, or switch to the next frequency point by pressing
frequency list: 100Hz, 120Hz, 200Hz, 400Hz, 800Hz, 1k, 2k, 4k, 8k, 10k, 15k, 20k, 40K, 50K,
80K, 100K)
The third step: Increase or decrease the frequency by pressing the up and down direction keys
(the commonly used frequency list is as shown above). The interface is as shown in Figure 4-2.
Fig.4-1

4.2.2 Level Selection

Step one: Turn on the instrument to enter the interface of measurement display; move the
cursor to the level through the left and right direction keys.
The second step: Switch the cursor to the level display area by using left and right direction
keys, or switch to the next test level by directly pressing
100 mV, 300 mV, 600 mV, 1 V, 1.5 V, 2 V)
The third step: Increase or decrease the test level by using the up and down direction keys
(the commonly used test levels are as shown above).

4.2.3 Offset Selection

Turn on the instrument to enter the interface of measurement display, move the cursor to the
bias through the left and right direction keys, press the
setting interface with the interface as shown in Fig.4-3.
Fig.4-2
. (Commonly used test level list:
key to enter the level automatic
8
. (Commonly used