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7
LTM – Line Test Mode
Identication of wire pairs or connections by calling a service number, whe-
reby a DTMF tone sequence is sent back to the caller in order to identify the
connection. If LTM is activated, the connection number is sent by this sub-
scriber as a DTMF tone sequence after the service number has been called
and is decoded and displayed by the TP09D. This mode can be permanently
activated or deactivated in the menu under LTM On-O. This serves to avoid
disturbances during normal conversations or calls.
ON / OFF (Advanced funtions)
For further functions, the TP09D is switched on using the red ON / OFF key
(keep the key pressed for more than one second). The following functions
can be selected:
F1 Setup menu
F2 Programming speed dial numbers
F3 High-impedance line monitor
F1 – Setup menü
Pressing the F1 key opens the setup menu, you can scroll through it with the
Up and Down keys. The parameter to be changed is selected by pressing
the SEL key. If a submenu is stored, it is displayed. Settings are selected
with SEL. This saves the changes and the device immediately returns to test
mode. If no changes are made, the menu can be exited by selecting functions
already set or ESC.
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