Overview and Installation
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1-7
replacing the Battery
1. Turn Knob 1 to the
OFF
position.
2. Loosen the two thumbscrews on the front left-hand panel so that you
can open the door to the battery compartment. Slide the door off its
hinges by lifting upward for easier access to the battery compartment.
3. Unplug the battery jack from the side of the battery compartment and
pull out the spent battery.
4. Attached to the spent battery will be a battery installation harness that
consists of a jack and two terminal wires.
5. Remove the terminal screw covers from the terminals and detach the
battery harness terminal wires.
6. Attach the terminal wires from the battery harness to the new battery.
The red terminal wire is the positive (+) terminal. The black terminal
wire is the negative (-) terminal. Replace the terminal screw covers on
the terminal posts.
Be sure to observe polarity as marked on the battery.
7. Slide the battery into the battery compartment with the terminals fac-
ing outward towards you. See Figure 1-2.
8. Plug the jack from the battery harness into the jack outlet on the right-
hand side of the battery compartment.
9. Slide the door to the battery compartment back onto the hinges, close
the door and tighten the thumbscrews.
Before closing the battery compartment door, arrange the terminal
wires in such a way so that they are clear of the tab on the inside of the
door and it does not press against them.
10. Turn Knob 1 to
SET
. The display should turn on. If it does not, the
battery is not connected correctly. Turn Knob 1 to
OFF
and check the
battery connections.
NOTE
