Shielded Cable - Texas Instruments Weather Report Logger WRL-25 Manual

WRL Instruction Manual
The limits are designed to provide reasonable protection against such interference in a residential
situation. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try and correct the interference by one
or more of the following measures:
* Reorient or relocate the receiving antenna of the affected radio or television
* Increase the separation between the equipment and the affected receiver.
* Connect the equipment and the affected receiver to power outlets on separate circuits.
* Consult the dealer or an experienced radio/TV technician for help.
MODIFICATIONS
Changes or modifications not expressly approved by Texas Weather Instruments, Inc. could void
the user's authority to operate the equipment.

SHIELDED CABLE

Shielded RS-232 cables must be used with this equipment to maintain compliance with FCC
regulations.
11/17/96
Troubleshooting
Instrument display does not come on.
Make sure receptacle has power by plugging another appliance into it. Check that the transformer is
properly wired into instrument (the leads could be reversed or not seated properly). Check that the
fuse is intact (.75 amp fuse inside the case). Try unplugging the transformer to reset the computer.
Instrument display works but does not read correctly.
Make sure you are displaying the proper scale (English or Metric).
Check that all connectors in the back of the unit are properly seated and that sensor wires are on
their proper junctions and secure (see to Figure 2).
Try unplugging then replugging the transformer to reset the computer.
Check the fuse in the back of the instrument If it feels hot, replace with a .75 amp fuse available at
most electronic stores.
Humidity reads 0% during the day.
If your humidity sensor is in a plastic box, make sure that is in the shade and has the cover attached
(does not apply to pagoda installations.
Rain collector appears to be counting double that of the actual rainfall.
Texas Weather Instruments, Inc.
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WRL Instruction Manual