Radio Shack SYSTEM 440 - Manual (Page 25)

25
TROUBLESHOOTING
Having a problem? Here are some of the most common problems and
how to resolve them.
Problem Solution
Blank screen Battery installation — Replace or rein-
stall the battery, as described in “Installing
the Battery” on Page 10.
AC power — Plug in the adapter. If the
adapter is plugged into an outlet that is
controlled by a switch, turn on the switch.
Contrast control — Adjust the contrast
as described in “Adjusting the Display
Contrast” on Page 12.
You have an incoming
call, but do not receive
any Caller ID informa-
tion. • You picked up a telephone that is not
connected to your module.
• No data was sent by the phone com-
pany with the call ( -NO DATA
SENT- appears on the display). This
is not a malfunction.
43-974.fm Page 25 Monday, August 16, 1999 4:27 PM