Joy-it DSO-138 - Page 5

Ausgabe 18.01.2017 Copyright by Joy-IT 5
Calibraon:
Because there are always some small tolerances, you are able to calibrate your device.
If this is necessary, please follow the following steps:
1. Connect the red clip to the test-signal-terminal.
2. Set [SEN1] to 0.1V and [SEN2] to X5.
3. Set [CPL] to AC ot DC.
4. Set mebase to 0.2ms. You should now see a wave-diagram (see below).
5. Set C4 with a screwdriver unl the signal is good.
6. Set [SEN1] to 1V and [SEN2] to X1. Set C6 unl you see a rectangular wave-diagram.
Triggermodes:
Triggers are special events which are toggled when a voltage level is reached.
Oscilloscopes are using triggers as reerence-points to display a stable wave-form.
Auto-Mode: Display is refreshed automacally. The triggers are not inuecing this.
Normal Mode: Display is refreshed by triggers.
Single Mode: Display is refreshed by a trigger and switches to HOLD.