JT2003
Professional Multimeter
User Manual
15
2. Button Definition
RANGE Button: Press to change Auto/Manual range, it will jump upward one stall when it
is pressed once, and jump to minimum range when pressing at maximum range. If this
button is pressed for more than 2 seconds or changed by rotary disc, it will exit the manual
range mode. (Only suitable for:
).
MAX MIN Button: Press to enter manual range mode and display the maximum value,
press it again to display the minimum value, and press it again to display maximum and
minimum value. If this button is pressed for more than 2 seconds or changed by rotary
disc, it will exit the data record mode.
(Only suitable for:
).
REL Button: Press to enter MANUAL range mode. Take the current displayed value as
reference, the different value between measurement value and reference value will be
displayed. Press it again to exit relative measurement. (Only suitable for:
).
HOLD Button: (suitable for full range). Press this button, displayed value is locked and
held, LCD will display " " indicator. Press it again, the lock is released and enter normal
measurement mode.
A-OFF
Button: Auto turn off backlight function. If you need to restart the backlight
function, turn function knob to OFF position and restart.
LIGHT Button: Turn on or off the flash light lighting function.
Hz% Button: Select Hz or % measurement mode.
PEAK
Button: Voltage peak Vp-p, and current peak measurement.
Current peak lp-p: Catch maximum value of signal current when measuring (PEAK-max/
PEAK-min)
