Jinhan JDS3022E Manual page 56

diode readings for diode conduction voltage drop)
Note:
A. The instrument shows a forward and reverse pressure drop, when the diode reverse
connection, instrument display value is negative.
B. Diode and on-off range default are "automatic", not manually range.
C. When testing on and off, to ensure "voices" has been open, otherwise, the buzzer
will not sound.
Settings can be carried out in accordance with the following steps:
Long press "MENU" button, then press "F1" into the interface, and then press the
"MENU" button, find the voice operation MENU, press "F2" will be set to "on" sound.
7.Data remain functional
Press the "RUN" button on the instrument, is showing the data will remain on the screen, screen
displays the word "HOLD" among, even if the input signal to change or eliminate, value will not
change.
Note 1: when using a multimeter to measure, the oscilloscope probe do not grounded!
Note 2: please select correct measuring gear and measured again after range!
56