AT&T 2U20 - Manual (Page 21)

QUICK REFERENCE GUIDE
INDICATION :
Portable unit won’t Portable unit Headset is Headset
turn on or allow
Caller Portable unit
battery pack picking up
outbound or
user can’t can’t hear locks up or
won’t charge interference hear caller headset user loses com- inbound calls
ITEMS TO CHECK :
properly
munications
Determine if base and portable unit ringers are X
turned on and ON/OFF key has been pressed.
Remove portable unit from base for at least five minutes,
then replace portable unit in base unit cradle until beep is
heard through headpiece (approximately two seconds)
X
to ensure a common security code.
Unplug AC adapter from base unit and battery pack
from portable unit, reattach power sources and place
X
portable unit in base unit.
Determine if portable unit is outside range of base unit.
X
Determine if low battery condition exists.
X
Move base unit to alternate location.
X
X
Ensure units are located away from radio
frequency devices. X
Ensure AC adapter and telephone line cord X
are properly installed.
Verify that Tone/Pulse switch is set appropriately.
X
Ensure headpiece is properly positioned. X
Adjust volume control as necessary.
Determine if MUTE is turned on.
Ensure that base unit antenna is fully extended and X
positioned vertically.
X X
Ensure battery pack is installed in portable unit. X
X X
X X X
X X
X X X
X X
X X
X
X
X
X
X
X X
Clean metal charging contacts on portable unit. X
X
17
18