PRESTIGIO GeoVision 4700 BTFM - Инструкция (Страница 47)

EN-22
Troubleshooting
The unit can
receive signals
now but can’t
then; signals
received are not
stable.
The built-in rechargeable
battery is weak.
Use the adaptor to supply
power or charge the
battery.
The unit may be obstructed
by veil, such as heat
insulation paper.
Remove the veil.
Swing of the unit is too
great.
Avoid great swing of the
unit.
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
EN