ST230F TELEPHONE LINE TESTER
8
On the one end(END A) of the cables, use the ST230F black alligator clamping one cable and red alligator clamping
another cable, On the other end (END B), we name the cable with red alligator as the assistant cable. Use the telephone
or ST230F clamping the same two cables to confirm normal talk. Then at the other end (END B), choosing any waiting
checked cable connects with assistant cable, after that, on the end (END A), you should insert single alligator cable into
the charge hole, using this single alligator to connect any of waiting checked cables, when you hear the long “Du…” sound,
you find the checked cable.
6.6 Monitor
High resistance monitoring function helps operators choose/check line without influence to the user telephone and digital
service. This can less user complaints and avoids interruption of user data service.
Has high resistance monitor function,
Usage:
①
Press button
, the MONITOR indicator light is on. The tester enters into Monitor & Identifying state.
②
Connect line clamps to telephone line that is being used, the tester can clearly hear voice call in the line, and the
DATA-LED
light will be bright accompanying the talk.
③
Connect clamps to ISDN network,
DATA-LED
light will be bright when user uses this service, and there will be rustle
sound in the receiver, if there is no user using this service, you will hear code stream sound like da,da…and
occasionally rustle sound.
④
Connect clamps to ADSL line,
DATA-LED
light will be bright when user uses this service, and there is no sound in the
line, if there is no user using this service,
DATA-LED
light is not bright.
6.7 High AC voltage alarm
Press
“Phone/Tester”
and then press
when the ST230F is near the line circuit which has high AC voltage;
LED on and there is alarm sound. Please take care and operate it carefully!
Purpose: the safety of the line can be tested before using this function and to avoid the danger effectively.
Notice: This function is the accessorial function, please operate it according to the manual and the manufacturer
does not respond for damages caused by using this function.
6.8 Low voltage self-checking
After pressing “Phone/Tester”, if it displays and there is the sound “di di…”, it means the battery is low voltage.
Please loose “Phone/Tester” and charge the tester.
6.9 Charge
Insert the output plug of charger into charge hole, and then insert the charger into 220V socket. The charge indicator light
