Manual

28
Press the ON/OFF button for longer than 1.5 seconds. The ALT and SOLID LEDs
lightupbrieyanditswitcheso󰀨;ET720andET800soundashutdowntone.
TheETswitcheso󰀨automaticallyafter90minutes.Ifitisneededforlonger,
the ON/OFF button has to be pressed twice within 1 second after the unit is
switchedon.Toconrmthatthetimeoutoverridemodehasbeenactivated,
he SOLID LED ashes briey. If TONEmode and SOLID are active, this
function is taken over by the ALT LED. The ET720/ET800 will sound a short
conrmationtone.
Low Batt – battery voltage monitoring
When the device is switched on and the battery falls below a voltage of ap-
prox.6V,theSOLLEDashesbrieythreetimesevery60secondstoindi-
cate.InTONEmode,theALTLEDwillashinstead.ET720/ET800alsoemit
awarningtone.ETwillswitcho󰀨automaticallywhen5Visreached.
Symbols on the Device
Warning concerning a point of danger (attention, observe documentation!)
European conformity marking
The device may not be disposed of with household trash, see page 37.
Battery information
Initial Startup
The devices are powered with 9 V batteries (not included in delivery; excep-
tion: KE702 (Telekom), KE801 (Telekom)).
Before inserting batteries, disconnect all test leads and
turn off the device. Only use batteries according to the
specication.
The battery compartments are on the backside of the devices. Open the bat-
tery compartments (Phillips screwdriver PH2 required), insert the batteries,
and close the battery compartments again.
Operation
Youcanusethedevicesfordi󰀨erenttests.Toperformthem,theETisputinto
di󰀨erentmodesthroughtheswitchontherightsideofthedevice:
TONE=Sendsatoneintothecable/line/wire(s)forndingandtracing
CONT = continuity and resistance testing
DATA= Networkporttestandportnderfunction(linkblinkfunctionto