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Auto Range Digital Multimeter - USB Interface
3. F U N C T I O N D E S C R I P T I O N S
3.1 General Functions
HOLD mode
• HOLD mode makes the meter stop updating the display.
• Enabling the HOLD function in auto mode makes the meter switch to manual
mode, but the full-scale range remains the same.
• Data Hold function can be cancelled by changing the measurement mode,
pressing the R
RA
AN
NG
GE
E key, or push the H
HO
OL
LD
D/
/L
LIIG
GH
HT
T key again.
To enter and exit the ‘data hold’ mode:
1. Press H
HO
OL
LD
D/
/L
LIIG
GH
HT
T key. (This fixes the display on the current value) the letter
'H' will be displayed.
2. A second short press returns the meter to normal mode.
Manual and Auto range mode
The meter has both manual and auto (default) range options.
• In auto range mode, the meter selects the best range for the input detected.
This allows you to switch test points without having to reset the range.
• In manual mode, you select the range. This allows you to override auto range
and lock the meter in a specific range.
• When the meter is in the auto range mode, 'AUTO' is displayed.
To enter and exit the ‘manual’ range mode:
1. Press the R
RA
AN
NG
GE
E key. The meter will convert to manual mode. 'AUTO' will not
show on the LCD. Each press of the RANGE key increments the range. When
the highest range is reached, the meter wraps to the lowest range.
N
NO
OT
TE
E:: If you manually change the measurement range after entering the Data
Hold modes, the meter exits this mode.
2. To exit the manual ranging mode, press and hold down RANGE key for 2
seconds. The meter returns to auto mode and AUTO is displayed.
Battery Saver
The meter will engage a 'sleep mode' after 30 minutes if it is not used to save
battery life. Be aware data may be lost.
To come out of 'sleep mode':
1. Press the H
HO
OL
LD
D/
/L
LIIG
GH
HT
T key or rotate the rotary switch to wake the meter up.
2. To disable 'sleep mode' hold down the SELECT key while turning the meter on.
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