SEFRAM 97 Manuel D'utilisation page 18

Figure 2
B. Instructions
All of the following tests can be performed by using the
red and black test leads or the modular plug.
NOTE: When using the modular test plug, the polarity
test function applies to Lines 1 and 2. The continuity
and tone functions ONLY apply to Line 1.
● POLARITY TEST: IDENTIFYING TIP & RING
(SWITCH TO "OFF")
a. Connect the RED test lead to the side of one line
and the BLACK lead to the side of another line.
b. The LED will glow "GREEN" when you connect the
RED test lead to the RING SIDE of the line.
c. The LED will glow "RED" when you connect the
RED test lead to the TIP SIDE of the line.
● IDENTIFYING LINE CONDITION (SWITCH TO
"OFF")
a. Connect the RED test lead to the RING SIDE of
the line and the BLACK to the TIP.
Figure 3
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Slow
Fast