: Press this key to switch between auto trigger and readings hold functions.
- Run: The key is always illuminated and remains the auto-trig state unchanged.
In this state, the instrument continues acquiring data at the specified speed
based on the current settings.
- Hold: The key is blinking constantly and the acquisition stops. The
measurement data are displayed on the screen.
9. Signal Input Terminals
The signals (devices) under test are input to the instrument via these terminals. The
measurement connection methods are different for different objects under test.
10. Current Input Fuse
The front-panel current input fuse allows a max. of 10 A(DM858)/3.15 A(DM858E)
protection limit. Once the input current exceeds 13.5 A(DM858)/4.05 A(DM858E),
the fuse blows out.
11. USB HOST Interface
Allows to connect the USB storage device (FAT32 or NTFS format) or the mouse.
- USB storage device: imports or exports data (e.g. software update, waveforms,
setups, or screenshot files).
- Mouse: It can be connected to the instrument to realize remote control.
12. Power Key
Powers on or off the instrument.
Quick Start
DM858 Series User Guide
18
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