Troubleshooting Guide - Oregon Scientific Jumbo JM889N Manual Del Usuario

TROUBLESHOOTING GUIDE

This section includes a list of frequently asked questions for
problems you may encounter. If your device is not operating as
you think it should, check here before arranging for servicing.
Problem Symptom
Radio antenna not The RF signal
displayed on LCD cannot be
screen. received.
displayed Batteries of the
on LCD screen. unit are low.
Clock time is not No radio signal
correctly set. reception.
Check This Remedy
Obstacles (either Move the unit
electromagnetic away from any
sources of
interference or
objects) are interference,
barring the signal including other
from reaching the electronic devices.
main unit.
Check LCD Install new
Display of the unit. batteries into the
unit.
Electromagnetic Place the main unit
interference or far away from PCs,
objects are barring phones, and other
reception. electronic
equipment.
Orientation or
placement of main
unit is not optimum
for receiving the
RF signal.
Problem Symptom
No Alarm Alarm does not
sound.
Operation Not Certain functions
Normal do not perform.
10
Check This Remedy
Turn on the alarm
Alarm is disabled.
setting.
Device requires Reset the unit with
reset. a blunt stylus
pressed against
the RESET Hole.