BNC 1201 - 6 1/2 Digit Digital Multimeter - Manual (Page 28)

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measuring.
3-2. The second row in SETUP section:
ESC: Cancels selection, moving back to measurement display.
ENTER: Accepts selection, moving to next choice or back to
measurement display.
LOCK: Presses SHIFT then ESC button to prevent unpredictable
operation on the panel. In order to release lock condition, please
press ESC again.
3-3. The third row in SETUP section:
CONFIG: Offers setting or adjusting function, relating some front
panel buttons.
MENU: Offers setting or adjusting function, not relating other front
panel buttons.
4. RANGE:
△: Moves to higher range.
▽: Moves to lower range.
AUTO: Enables or disables auto-range.
5. Terminals: Selects input signal connections on front or rear panel.
6. Inserted Connections & Fuse Device:
4 Chassis Ground Connections: Separate environmental noises.
 HI & LO: Used for all measurements, except DC and AC current.
(Maximum input voltage: 1000V for voltage measurements. 200V for
4-wire measurement)
LO & I : Used for making DC and AC current measurements.
Front Fuse: Secures your Meter against damage of strong current pulse.
(Maximum current: 3A, 250V)
7. Chassis Ground Terminal:
 The chassis ground terminal is used for shielding the noise from the
nature, especially when users want to get a very small signal via the
application of a BNC-to-Banana Adapter. Please refer to the Figure
2-16.