DRAKE SPR-4 Specifikace stáhnout pdf (Strana 7)

INSTALLATION

2.1

UNPACKING

Carefully remove the receiver from the shipping carton, and examine it

for evidence of damage.

any

damage

is discovered, immediately

noti-

the transportation company that delivered the receiver. Be sure to

keep the shipping carton and packing material, as the transportation

com-

pany

will

want to examine them if there is a

damage

claim.

Keeping the

carton and packing material is recommended even when no shipping dam-

age

occurs

as having the original carton available makes shipment of

the receiver

much

easier should it ever be

necessary

to return it to the

factory for service.

2.2

LOCATION

The SPR-4 will work well in almost

any

location.

Extremely

hot

areas

such as over a radiator should be avoided.No air circulation

around

the

receiver is required .

2.3

POWER REQUIREMENTS

The SPR-4

will

operate on 120 or 240 VAC

50/60

Hz or from

any

15 VDC source with negative ground .

The SPR-4 is shipped from the factory

ready

for 120 V AC operation with

the power cord supplied.A

1/4

amp, slow-blow fuse, Buss type MDL

1/4,

is installed in the fuse holder on the rear of the

chassis

For operating from 240 V AC , the

same

power cord is used and the 120/

240 volt slide switch at the

chassis

rear is moved to the 240 position.

This requires moving the small metal keeper from the right to the left

mounting screw on the slide switch .

Also for 240 volt

operation , the fuse should be changed to a 1/8 amp,

slow-blow, Buss type MDL

1/8.

WARNING: NEVER CONNECT THE SPR-4 TO 240 VOLTS

WITH THE SWITCH IN THE 120 VOLT POSITION.

For DC operation, a separate power cord is

a11

that is required. This cord

is available with a

cigar

lighter plug installed.

2.4

ANTENNAS

For optimum performance the SPR-4 should be used with a good antenna.

For general broadcast and short wave listening, a long wire antenna from

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