National Geographic NG751 Series, Instruction Manual

Page: 17 / 28

2.5 TACHOMETER Mode
- Press push button C to switch to
TACHOMETER mode.
- This function calculates the speed
based on parameters set by the
user (miles per hour or kilometers
per hour).
- The TACHOMETER mode
measures distances ranging from
0.1 to 29.9 (miles or kilometers).
- If the value is too high, an error
message will appear (too great a
distance in too few seconds).
- Press push button B for more than
a second to enter adjust mode.
The unit blinks.
- Press push button A to set miles
or kilometers.
- Press push button B to confirm
units. The tens place blinks.
- Press push button A to adjust the
tens place.
- Press push button B to confirm the
tens place. The ones place blinks.
D
B
C
A
15