Jamar RAC Plus I, User Manual

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4-3
Display Hold will stop the display from updating while the
RAC will continue to accumulate distance internally. When
in Display Hold,
DH
will be displayed in D-2. If speed is also
being displayed, it will continue as DH does not freeze the
speed display.
Note:
You cannot put the RAC in both Count
Hold and Display Hold at the same time. Count Hold will take
precedence over Display Hold.
The Unit key allows you to select the desired unit of measure-
ment. This can be selected/changed while moving or at rest.
When pressed, the distance will cycle from total feet to miles to
kilometers/meters. The LEDs to the left of D-1 indicate which
unit is currently being used.
The Speed key allows you to turn on or off the display of speed
(mph or kph) in D-2. The display of speed is not interrupted by
either the Count Hold or Display Hold keys.
The Menu key allows you to select from a variety of func-
tions. After pressing the Menu button, the Add and Sub keys
can be used to scroll through the options, which are displayed
in D-2. To select an option, press the ENT (Enter) key. The
options are:
Menu 1 - Auto Calibration (A-CAL)
Menu 2 - Manual Calibration (E-CAL)
Menu 3 - Pre-Distance (P-diS)
Menu 4 - Clock Set (CLoSEt)
Menu 5 - Distance Pulse Output (dPO)
Menu 0 - Return to Normal Operation (rEturn)
See pages 4-5 to 4-9 for specific menu instructions.
The Add key instructs the RAC to count up . It is also used in
the Menu function to scroll up through the various options, and
is used in the Pre-Distance function.
Chapter 4 — Key Functions & Operating Procedures
Display
Hold
Unit
Speed
Menu
Add