Coaxial Cable & Continuity Testing:
DANGER
:
Before testing, please be sure the power
of receiver is OFF.
To validate cable shield during cable map tests, do the following as
shown in Figure 9:
1.
Connect the Transmitter to the circuit as shown in
Figure 8. Connect the test leads to the coaxial cable to
be tested.
2. Push
“
” button to turn on the power, “POWER/ BAT
LOW” indicator will light up. Push “
” button on
transmitter for short/ open function, the green LED
indicator lights up and the short/ open testing is
working. Push “
” again, the green LED lights off and
the product is standby for next operation.
3.
When “SHORT” red LED indicator lights up, the cable
is connected. (the resistance of cable is less than
300
Ω
). If the indicator is off, the cable is short or
resistance of the cable is over 300
Ω
.
Testing for
continuity
Validating the
cable ’s shield
push
Ω
OPEN
SHORT
Open : Resistance
Short : Resistance
No light
RED
19
Figure 9 Coaxial Cable & Continuity Test