BASEWEST
Operating & Maintenance Manual
Model TS-420 Test Set
Page 6 of 10 25-60-41
24 Jan 2002
b) Installed slide light systems without battery packs - Connect harness to the instrument
block via the OEM-identified power input; special test accessory cables may be
specified.
c) Individual slide light harnesses with Amphenol-type connectors - Connect the
Amphenol-type receptacle/socket into the recess pin terminals on the connector block
marked AMMETER. Observe polarity on LED-based systems. BaseWest LED
systems use the following convention: BLUE (+), WHITE (-).
d) Individual slide light harnesses without Amphenol-type connectors - Connect
harnesses to the instrument block via an appropriate interface test lead, such as an
alligator clip lead.
4.3 Actuate and release the Press-To-Test switch. Confirm that the Self-Test indicator
illuminates GREEN. If this indicator is RED, remove unit from service for recharging (see
Section 5.0).
NOTE: If the Self-Test indicator is on (GREEN) and the Battery Status indicator is on
(AMBER), the test set is OK for test, but should be recharged at the next opportunity.
4.4 Read current (milliamperes) on the digital meter. Confirm that the current reading is within
OEM-specified tolerances.
5.0 Internal Battery Recharging and Replacement
5.1 General
The TS-420 is provided with a rechargeable Ni-Cad pack, P/N 6-1035, which is designed
to provide hours of service. When the Battery Status indicator comes on (AMBER), it is
an indication that the internal battery is a low capacity, and recharging will soon be
required. If the Self-Test indicator comes on RED, the internal battery voltage is too low to
provide accurate test results and must be recharged before the unit is returned to service.
5.2 Battery Recharging
a) Connect the battery charger, P/N 36-1002, to a standard 115-120VAC outlet.
NOTE: International customers must use an appropriate adapter for 110VAC service,
or a converter for 220VAC service, depending on the country.
b) Connect the charger output plug into the receptacle in the side of the TS-420 test set.
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