HP (Hewlett-Packard) HP 11793A TV Converter Box User Manual


 
Microwave Converter Model
1
1793A
10. Power Requirements
The Microwave Converter requires a power source of
115,
230 Vac (+lo%,-20%),
48
to 66
Hz.
Power
consumption is
20
VA maximum.
11. Line Voltage Selection
Before the instrument is plugged in, it must
De
set to the voltage of
the power source, or damage to the instrument may result.
A
line voltage switch enables selection of either 11SV or 230V. The line voltage is indicated on this
rear-panel switch. Slide the switch to the proper line voltage for operation.
12. Power Cables
BEFORE CONNECTING THIS INSTRUMENT, the protective earth
terminal of the instrument must be connected to
the
protective
conductor
of
the (Mains) power cord. The Mains plug shall only
be
inserted in
a
socket outlet provided with
a
protective earth contact.
The protective action must not be negated
by
the use of an extension
cord (power cable) without
a
protective conductor (grounding).
Grounding one conductor of a two-conductor outlet is not sufficient
protection.
This instrument
is
provided with a three-wire power cable. When connected to an appropriate ac power
receptacle, this cable grounds the instrument cabinet. The type of power-cable plug shipped with the
instrument depends on the country of destination. See Table
5
for part numbers
of
the available power
cables and Mains plugs.
13.
Mating Connectors
All coaxial connectors (except the
RF
Input) used with the Microwave Converter are provided on the
three accessory cables supplied with the instrument listed under Paragraph 6,
I'
Accessories Supplied
'I.
The
RF Input connector should be of the APC
3.5
mm female
SO
ohm type. Refer to Table
2,
Supplemental
Characteristics
for the correct type and location for mating each connector.
Use the correct torque wrench when installing sub-miniature
connectors.
Tighten 3.5 mm connectors to
0.7
N.m (6.3 in.Eb).
Tighten Type-N
connectors to
0.7
Nm
(6.3
in.lb).
6