15
Figure 9 Coaxial Cable & Continuity Test
Validating Telephone Service and Polarity
:
Please follow the following steps to check the polarity of telephone
lines:
1. Connect the red and black alligator clip of the Transmitter to the
telephone line jack or socket or punch-down block.
2. Press
button to turn on the power, “POWER/ BAT LOW”
indicator will light up. Then press
to operate the polarity
indication feature and the LED indicator will light up. According
to the function of the phone positive/negative polarity test start.
3.
「
POL
-
/G
,
POL
+
/R
」
LED indicator is dual color (Red/ Green).
The LED indicator of the Transmitter indicates the status as
below:
• Red light
:
Red alligator clip at positive (+) polarity
;
Black
alligator clip at negative (-) polarity.
• Green light
:
Red alligator clip at negative (-) polarity
;
Black alligator clip at positive (+) polarity.
Содержание PRO'S KIT MT-7029
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Страница 44: ...43 CONT CONT 4 CONT LED CONT CONT CONT NCV Cable Map MT 7029 1 4 NCV NCV 2 MT 7029 NCV NCV 90 1000V 90V...
Страница 45: ...44 6 5V SCAN LED SCAN LED RJ45 RJ11 NCV SCAN SCAN SCAN...
Страница 46: ...45 MT 7029 C 12 CD...
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