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QEI 691 Instruction Manual page 6

Fm modulation monitor/test set
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2-1
INITIAL INSPECTION
SECTION 2
INSTALLATION
ChecK the shipping carton for external damage.
If the carton exhibits evidence
of abuse in handling (holes, broken corners, etc.) ask the carrier agent to be
present when the unit is unpacked.
Carefully unpack the unit and inspect all
equipment for physical damage.
Immediately after unpacking any bent or broken
parts, or scratches should be noted.
Keep all packing material for proof of
damage claim or for possible future
use.
2 PREPARATION FOR USE
The unit is designed to be mounted in a standard 19" rack.
Air space should
be provided above and below the unit so that heat generated by the circuitry
may
be
dissipated.
Additional co01in9 may
required if the unit is placed
above high heat generating equisment
in
order to keep the ambient temperature
below the maximum specified (50 C).
Mount the unit to the rack using #10 caun
ink screws and finishing washers.
The unit requires a l05-125V
ngle phase, SO/60Hz power source or a 220-250V
single phase. SO/60Hz power source.
The identification plate on the back
panel shows for which power source the unit is wired.
See Section 5-7 for
information on changing
MONITOR CONNECTIONS
1.
Connect the antenna supplied to monitor ANT connector Jl1
if
off air
operation is desired.
2.
Connect
a
dummy load 1a
enough to handle the RF input to
DUMMY
LOAD
connector J9.
A
~
watt termination is supplied.
The input signal sampler
will handle up to 50 watts with an adequate external dummy load. thus
allowing direct measurement of exciters and low power transmitters.
DO NOT
OPERATE
THIS EQUIPMENT WITHOUT AN ADEQUATE DUMMV LOAD
INSTALL
3.
Connect the RF sample to RF IN connector J10.
4.
TB1-4 and TSI
are 600 ohm balanced left audio output.
5.
TB1-6 and TB 7 are 600 ohm balanced right audio output.
6.
TSl
is
600 ohm unbalanced
SeA
audio (ref. to gnd.)

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