Owner’s Manual 11
Wanco® Metro™ Message Sign
4 Operation
4.1 Overview
A typical deployment of the Wanco Metro Message Sign includes the following steps:
1. Towing the trailer to its destination (Section 4.3)
2. Locating and positioning the trailer (Section 4.4.1, page 16)
3. Leveling the trailer (Section 4.4.2, page 17)
4. Raising the display cabinet and setting a message (Section 4.4.3, page 18)
4.2 Before using the message sign
Before using the Wanco Metro Message Sign:
■ Read and follow all safety instructions (see Section 2, page 3).
■ Ensure batteries are fully charged (for charging instructions, see Section 4.4.5, page 20).
■ If the message sign is being returned to service after being in storage, check the cables
inside the battery box to ensure they are connected. When reconnecting cables, follow
these steps:
1. Ensure power cable is not connected to the computer box, which is located inside the
battery box. If it is connected, disconnect it before connecting battery cables.
2. Taking care not to over-tighten the cable clamps:
a. Connect the negative (–) cable to the battery.
b. Connect the positive (+) cable to the battery.
3. Connect message sign cable to computer box, if it is not already connected.
4. Connect power cable to computer box.
CAUTION
Voltage surge could damage control circuits.
Before connecting battery cables, ensure power cable is
disconnected from computer box.
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