Other Function Keys - Tenma 72-14520 Instructions Manual

OTHER FUNCTION KEYS

Automatic Setting
• Automatic settings will according to the input signal, choose appropriate time base
files, range profile, and triggering parameters so that the waveform automatically
properly displays on the screen.
• Press the AUTO key to enable automatic settings.
• Automatic setting applies only to the following conditions:
1. Automatic setting is suitable for setting up simple single frequency signals, and
not for complex combination waves.
2. The signal frequency is not less than 50Hz, the amplitude is not less than
30mVpp, and the square wave duty cycle is more than 5%.
3. Only opened channel can be used for automatic setting.
Run/Stop
• When the RUN/STOP key is pressed, a green light will be on, indicating the RUN
status.
• When the key is pressed again and a red light appears, it indicates the STOP
status.
• The RUN state enables the oscilloscope to be in continuous acquisition, the upper
screen will display AUTO.
• During the STOP state, the oscilloscope stops collecting data, and the upper screen
displays STOP.
Factory Settings
• By pressing the DEFAULT button the factory default settings are restored as below:
System
Vertical System
Trigger System
Function
CH1
Vertical displacement
Coupling
Bandwidth limit
Lattice
Probe
Reverse
Bias voltage
CH2, CH3, CH4
Math, Ref
Hold Time
Trigger Type
Source
Slope Type
Coupling Mode
Trigger Mode
Factory Setting
Return to the parameter measurement display menu
0
DC
Off
Coarse
1×
Off
Off
Off
Off
100.00ns
Edge
CH1
Rising
DC
Auto
42