HCP1550
Commercial Heterodyne Channel Processor
(For use in NTSC systems)
Instruction Manual
® is a registered trademark of the R.L. Drake Company
©Copyright 2004 R.L. Drake Co. P/N: 3852453K-09-2004 Printed in the U.S.A.
ii Caution Statements
WARNING: TO PREVENT FIRE OR
ELECTRICAL SHOCK DO NOT
EXPOSE TO RAIN OR MOISTURE
¡WARNING!
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE POWER SUPPLY COVERS
NO USER-SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED PERSONNEL
WARNING:
CAUTION:
ATTENTION:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE. DO NOT OPEN THE CABINET, REFER SERVICING TO QUALIFIED PERSONNEL ONLY.
TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS (POLARIZED) PLUG WITH AN
EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE
FULLY INSERTED TO PREVENT BLADE EXPOSURE.
POUR PREVENIR LES CHOCS ELECTRIQUES, NE PAS UTILISER CETTE FICHE
POLARISEE AVEC UN PROLONGATEUR, UNE PRISE DE COURANT OU UNE AUTRE
SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS
EN LAISSER AUCUNE PARTIE A DECOUVERT.
Important Safety Instructions
1. Read Instructions—All the safety and operating instructions should be read before the product
is operated.
2. Retain Instructions—The safety and operating instructions should be retained for future
reference.
3. Heed Warnings—All warnings on the product and in the operating instructions should be
adhered to.
4. Follow Instructions—All operating and use instructions should be followed.
5. Cleaning—Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners
or aerosol cleansers. Use a damp cloth for cleaning.
6. Attachments—Do not use attachments that are not recommended by the product manufacturer as they may cause hazards.
7. Water and Moisture—Do not use this product near water—for example, near a bathtub, wash
bowl, kitchen sink or laundry tub; in a wet basement; or near a swimming pool; and the like.
8. Accessories—Do not place this product on an unstable cart, stand, tripod, bracket, or table.
The product may fall, causing serious injury to a child or adult, and serious damage to the product.
Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold
with the product. Any mounting of the product should follow the manufacturer's instructions, and
should use a mounting accessory recommended by the manufacturer.
9. A product and cart combination should be moved with care. Quick stops, excessive force, and
uneven surfaces may cause the product and cart combination to overturn.
10. Ventilation—Slots and openings in the cabinet are provided for ventilation and to ensure
reliable operation of the product and to protect it from overheating, and these openings must not
be blocked or covered. The openings should never be blocked by placing the product on a bed,
sofa, rug, or similar surface. This product should not be placed in a built-in installation such as
bookcase or rack unless proper ventilation is provided or the manufacturer's instructions have
been adhered to.
11. Power Sources—This product should be operated only from the type of power source
indicated on the marking label. If you are not sure of the type of power supplied to your home,
consult your product dealer or local power company. For products intended to operate from battery
power, or other sources, refer to the operating instructions.
12. Grounding or Polarization—This product may be equipped with a polarized alternatingcurrent line plug (a plug having one blade wider than the other). This plug will fit into the power outlet
only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try
reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete
outlet. Do not defeat the safety purpose of the polarized plug.
Alternate Warnings—If this product is equipped with a three-wire grounding-type plug, a plug
having a third (grounding) pin, the plug will only fit into a grounding-type power outlet. This is a
safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace
your obsolete outlet. Do not defeat the safety purpose of the grounding-type plug.
12 a. Mise à la terre ou Polarisation—Cet appareil est équipé avec un cordon d'alimentation à
trois fils. Il est a brancher sur une prise ayant un connecteur a la terre. Assurez-vous que la
connection a la terre ne manque pas.
13. Power-Cord Protection—Power-supply cords should be routed so that they are not likely to
be walked on or pinched by items placed upon or against them, paying particular attention to cords
at plugs, convenience receptacles, and the point where they exit from the product.
14. Outdoor Antenna Grounding—If an outside antenna or cable system is connected to the
product, be sure the antenna or cable system is grounded so as to provide some protection against
voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA
70, provides information with regard to proper grounding of the mast and supporting structure,
grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location
of antenna-discharge unit, connection to grounding electrodes, and requirements for the
grounding electrode. See Figure A.
15. Lightning—For added protection for this product during a lightning storm, or when it is left
unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage to the product due to lightning and power-line
surges.
16. Power Lines—An outside antenna system should not be located in the vicinity of overhead
power lines, other electric light or power circuits, where it can fall into such power lines or circuits.
An appliance and cart combination should be moved with care. Quick stops,
excessive force and uneven surfaces may cause the appliance and cart combination to overturn.
The lightning flash with arrow head symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated "dangerous voltage"
within the product's enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to
the presence of important operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
17. Overloading—Do not overload wall outlets, extension cords, or integral convenience
receptacles as this can result in a risk of fire or electric shock.
18. Object and Liquid Entry—Never push objects of any kind into this product through openings
as they may touch dangerous voltage points or short-out parts that could result in a fire or electric
shock. Never spill liquid of any kind on the product.
19. Servicing—Do not attempt to service this product yourself as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service
personnel.
20. Damage Requiring Service—Unplug this product from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
a. When the power-supply cord or plug is damaged,
b. If liquid has been spilled, or objects have fallen into the product,
c. If the product has been exposed to rain or water,
d. If the product does not operate normally by following the operating instructions. Adjust only
those controls that are covered by the operating instructions as an improper adjustment of other
controls may result in damage and will often require extensive work by a qualified technician to
restore the product to its normal operation,
e. If the product has been dropped or damaged in any way, and
f. When the product exhibits a distinct change in performance—this indicates a need for service.
21. Replacement Parts—When replacement parts are required, be sure the service technician
has used replacement parts specified by the manufacturer or have the same characteristics as
the original part. Unauthorized substitutes may result in fire, electric shock or other hazards.
22. Safety Check—Upon completion of any service or repairs to this product, ask the service
technician to perform safety checks to determine that the product is in proper operating condition.
23. Wall or Ceiling Mounting—The product should be mounted to a wall or ceiling only as
recommended by the manufacturer.
24. Heat—The product should be situated away from heat sources such as radiators, heat
registers, stoves, or other products (including amplifiers) that produce heat.
NOTE TO CATV SYSTEM INSTALLERS:
THIS REMINDER IS PROVIDED TO CALL THE CATV SYSTEM INSTALLER'S ATTENTION TO
ARTICLE 820 - 40 OF THE NEC THAT PROVIDES GUIDELINES FOR PROPER GROUNDING
AND, IN PARTICULAR, SPECIFIES THAT THE CABLE GROUND SHALL BE CONNECTED TO
THE GROUNDING SYSTEM OF THE BUILDING, AS CLOSE TO THE POINT OF CABLE ENTRY
AS PRACTICAL.
EXAMPLE OF ANTENNA GROUNDING
ANTENNA
LEAD IN
WIRE
GROUND CLAMP
ELECTRIC
SERVICE
EQUIPMENT
POWER SERVICE GROUNDING ELECTRODE
SYSTEM (NEC ART 250, PART H)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
Table of Contents / Description / Specifications 1
TABLE OF CONTENTS
ii Caution Statements
ii Important Safety Instructions
1 Table of Contents / Description / Specifications
2 Front Panel Controls / Indicators
4 Rear Panel Connections
5 Installation
6 List of Input and Output Channels
8 Service / If You Need To Call For Help
9 Warranty
HCP1550 CHANNEL PROCESSOR
POWER
DESCRIPTION
The R. L. Drake HCP1550 is a high quality, frequency
agile channel processor capable of converting any VHF,
UHF, or CATV input signal to any standard output channel
between 54 and 550 MHz. Input and output frequency,
including output frequency offset are easily set with front
panel pushwheel switches. A/V ratio and output level
controls are also provided along with IF loop-thru
connections to offer exceptional flexibility.
The synthesized input tuning permits reception of Off-Air
TV channels 2 through 69, standard CATV channels 2
through 125, and IRC, HRC channels 1 through 125. A
front panel signal indicator lights for input signal strengths
greater than a threshold value. The synthesized RF
output can be set for any CATV channel 2 through 78 and
95 through 99. The output frequency offset can be set for
none or in increments of 6.25 kHz plus or minus up to
56.25 kHz maximum offset.
SPECIFICATIONS
INPUT SECTION
Frequency Range:
Input Impedance:
RF Input Level:
Adjacent Channel
Rejection:
Noise Figure:
Tuner Image Rejection:
COMPOSITE IF LOOP
Output Level
(V carrier):
Spurious Outputs:
Input Level (V carrier):
IF Input/Output
Impedance:
Isolation:
54 to 806 MHz:
Off-Air TV channels 2 to 69;
Standard CATV channels 2 to 125;
IRC and HRC channels 1 to 125.
75 Ohms.
-10 dBmV to + 35 dBmV.
Greater than 60 dB.
VHF, 8 dB. UHF, 10 dB.
VHF, 65 dB. UHF, 50 dB.
+28 dBmV ±2 dB.
-60 dBc minimum.
+28 dBmV nominal,
+30 dBmV maximum.
75 Ohms, greater than 15 dB return loss.
Greater than 60 dB.
CATV
CATV
OFF AIR
+
100
RF INPUT
CHANNEL PLAN
IRC
HRC
STD
INPUT
CHANNEL
Knowledge of the input signal frequency and the desired
output frequency is important prior to setting any offset.
RF output level is front panel adjustable to +60 dBmV
maximum.
IF loop-thru capability in the HCP1550 supplies a padded
IF output prior to channel conversion. This feature
provides the capability to replace the standard internally
generated IF output with an alternate source of composite
IF, or allows the insertion of IF scrambling equipment.
Coaxial connectors are provided for the RF Input, the IF
Loop-out and Loop-in, and the RF Output. All of the
mentioned features, combined with a carefully designed
low intermodulation output stage, provide reliable
operation in a densely crowded SMATV or cable
environment.
X
OUTPUT SECTION
Frequency Range:
Frequency Stability:
A/V Ratio Adjustment:
Spurious Outputs:
Broadband Noise:
Operating Temperature:
A / V RATIO
--
SIGNAL OUTPUT ENABLED
RF OUTPUT
x 6.25 kHz
7 804 4
OUTPUT
CHANNEL
+
OFFSET
X
82 channels, 54 to 550 MHz;
Channels 2 to 78 and 95 o 99.
Output Level:
Video Frequency
Response:
L-C Delay:
FCC Offset:
GENERAL
AC Power Input:
Dimensions:
Weight:
+60 dBmV (typically adjustable from
+50 to +60 dBmV).
20 Hz to 4.2 MHz, ±3 dB.
±50 nSec.
±5 PPM of frequency difference
between input and output signals.
Selectable - None or increments of
6.25 kHz plus or minus up to
56.25 kHz maximum offset.
Typically 0 to -10 dB relative to input
A/V ratio.
-58 dBc minimum, -60 dBc typical
(measured at an input level of between
0 to +20 dBmV).
-75 dBc typical,
(4 MHz noise bandwidth @ ±12 MHz).
115 VAC (±10%), 60 Hz, 30 Watts.
00 C to + 500 C, ambient.
19" W x 1.75" H x 8.75" D.
7.0 lbs.
LEVEL
X
2 Front Panel Controls and Indicators
F1 F2 F3 F4 F5 F6 F7 F8 F9
HCP1550 CHANNEL PROCESSOR
POWER
CATV
CATV
OFF AIR
RF INPUT
+
100
F1 – POWER Indicator
Lights when the unit is connected to a source of AC
power.
F2 – CHANNEL PLAN Switches
Sets the type of channel, Off-Air or various CATV channel
plans.
- Setting the left-hand switch for “OFF AIR” electrically
locks out the right-hand switch.
OFF-AIR CHANNEL 25:
RF INPUT
+
CATV
100
CATV
OFF AIR
IRC
HRC
STD
2 5
INPUT
CHANNEL PLAN
CHANNEL
- Setting the left-hand switch for “CATV” ("CATV + 100")
also requires setting the right-hand switch for “IRC”,
“HRC”, or “STD” (standard) as desired for the given input
signal operating channel.
STANDARD CATV CHANNEL 25:
IRC
HRC
STD
CHANNEL PLAN
Figure 1
A / V RATIO
--
INPUT
CHANNEL
SIGNAL OUTPUT ENABLED
RF OUTPUT
x 6.25 kHz
7 804 4
OUTPUT
CHANNEL
+
OFFSET
LEVEL
F3 – INPUT CHANNEL Number Switch
Sets the input channel number for Off-Air TV channels 02
through 69, for standard CATV channels 02 through 125,
or IRC,HRC* channels 01 through 125. See also Item F2
which sets the type of channel (Off-Air or various types of
CATV channel plans) and sets the leading “1” for CATV
channels 100 through 125.
*HRC - Harmonically Related Carrier.
*IRC - Incrementally Related Carrier.
F4 – SIGNAL Indicator
Lights to indicate that an input signal is being received as
set by the input channel switches and is of a signal
strength greater than approximately –10 dBmV. Note that
if this indicator is off (no received signal), the RF output is
switched off. See also Item F8.
F5 – A/V RATIO Control
This screwdriver adjustment varies the level of the output
aural carrier over a range from 0 to –10 dB relative to the
input A/V ratio. The aural carrier should be adjusted to
approximately 15 dB below the visual carrier (normal
operation). Clockwise rotation increases the output aural
carrier level and thus decreases the output A/V ratio.
RF INPUT
+
CATV
100
CATV
OFF AIR
IRC
HRC
STD
2 5
INPUT
CHANNEL PLAN
CHANNEL
- Setting the left-hand switch for “CATV +100” sets a
leading ”1” to the INPUT CHANNEL thumbwheel switch
for CATV channels from 100 through 125.
STANDARD CATV CHANNEL 125:
RF INPUT
+
CATV
100
CATV
OFF AIR
IRC
HRC
STD
2 5
INPUT
CHANNEL PLAN
CHANNEL
Front Panel Controls and Indicators, continued 3
F6 – OFFSET Switches
The OUTPUT CHANNEL switches set the output
frequency for a visual carrier frequency of ‘xx.25’ or
‘xxx.25’ MHz only. The exact output signal frequency,
however, is relative to the input signal frequency and any
additional offset (plus or minus) set by the OFFSET
switches. For example, an input signal of
229.2625 MHz (+12.5 kHz offset) and an OFFSET switch
In a similar fashion, output OFFSET switch settings plus
or minus in various 6.25 kHz increments will modify the
exact output frequency accordingly. Multiply the
thumbwheel switch number times 6.25 kHz to determine
the offset. For example, a setting of ‘”2” sets a 2 x
6.25 kHz = 12.5 kHz offset. Remember to also set the
direction of any offset plus or minus as required. Certain
CATV channels require aviation or navigation offsets.
setting of ‘0’ would result in an output frequency of
‘xx.2625’ or ‘xxx.2625 MHz.
Several examples follow:
Input Channel Output Channel Offset Switch Settings
Off Air channel 25 Standard CATV channel 44 +2 x 6.25 kHz = +12.5 kHz
(537.25 MHz) (343.2625 MHz, includes (Output frequency = 343.2625 MHz)
+12.5 kHz aviation offset).
+
--
x 6.25 kHz
OFFSET
RF OUTPUT
4 42
OUTPUT
CHANNEL
Standard CATV channel 25 Standard CATV channel 44 0 x 6.25 kHz = 0 kHz
(229.2625 MHz, includes (343.2625 MHz, includes (Output frequency = 343.2625 MHz)
+12.5 kHz aviation offset). +12.5 kHz aviation offset).
+
--
x 6.25 kHz
OFFSET
RF OUTPUT
4 40
OUTPUT
CHANNEL
Standard CATV channel 25 Standard CATV channel 78 -2 x 6.25 kHz = -12.5 kHz
(229.2625 MHz, includes (547.25 MHz, no offset (Output frequency = 547.25 MHz)
+12.5 kHz aviation offset). required).
+
--
OFFSET
x 6.25 kHz
RF OUTPUT
7 82
OUTPUT
CHANNEL
F7 – OUTPUT CHANNEL Number Switch
Sets the output channel number for standard CATV
channels 02 through 78 and 95 through 99. Note that
these switches set the output frequency for a visual carrier
frequency of ‘xx.25’ or ‘xxx.25’ MHz only. Any required
offset must be set by the ‘OFFSET’ switches with
knowledge of the input signal frequency and required
output frequency. See Table 2 in the ‘Installation’ section
of this manual for a list of output channels and any
required aviation offsets.
F8 – OUTPUT ENABLED Indicator
Lights to indicate that a valid channel is selected and an
input signal is being received. The RF output is switched
off for any invalid output channel settings, no received
input signal as set by the input channel switches
(‘SIGNAL’ indicator is off), or other conditions that would
cause the unit to operate on an invalid frequency. See
also Item F4.
F9 – RF OUTPUT LEVEL Control
This screwdriver adjustment varies the RF OUTPUT level.
Clockwise rotation increases the level.
4 Rear Panel Connections
R1 R2 R3 R4 R5 R6
MADE IN THE U.S.A. BY
SERIAL #
®
RF
OUTPUT
IN
COMPOSITE IF
IF
LOOP
OUT
R1 – RF OUTPUT Connector
This is the converted channel output.
R2 – COMPOSITE IF IN Connector
This is the composite IF input to the output channel
circuits. The composite IF has both the aural and
visual IF combined. This connection is normally
cabled directly to the “COMPOSITE IF OUT”
connector (see Item R3). This external IF loop allows
the use of accessories such as scramblers or
alternate video sources. Note that accessory
equipment must also have the visual carrier at
45.75 MHz and the aural carrier at 41.25 MHz. Both
input carriers must be at their nominally specified
levels.
R3 – COMPOSITE IF OUT Connector
This is the composite IF output from the IF circuits.
The composite IF provides a vestigial sideband
filtered visual carrier at 45.75 MHz (plus or minus
any input signal offset) combined with a level
controlled aural carrier at 41.25 MHz (plus or minus
any input signal offset). This connection is normally
cabled directly to the “COMPOSITE IF IN” connector
(see Item R2).
Figure 2
- RISK
CAUTION:
OF FIRE - REPLACE
RF
FUSE AS MARKED
INPUT
AFTER DISCONNECTING
UNIT FROM AC LINE.
ATTENTION:
- RISQUE D'INCENDIE REMPLACEZ FUSIBLE DU
TYPE INDIQUE APRES
DEBRANCHER DU SECTEUR.
FUSE
1 / 2 A, 250 V
SLO - BLO
115 VAC, 60Hz
30 WATTS
R4 – RF INPUT Connector
This is the input to the channel processor circuits for
all signals with video carrier frequencies in the range
of 54 through 806 MHz.
R5 – FUSE Holder
Always replace this fuse with one of the same type
and rating:
1/2 Amp, 250 V, SLO-BLO, 5 x 20 mm type.
R6 – LINE CORD
This is a three-wire power cable. When the cable is
connected to a properly wired AC power line outlet,
this cable grounds the instrument cabinet. Connect
to a nominal 115 VAC ±10%, 60 Hz source. Do not
defeat the safety purpose of the attached line
cord plug.
Installation 5
CONNECTIONS AND CONTROLS – All
connections to and from the HCP1550 are made
through the rear panel. Figure 3 shows a typical two
channel processing installation involving the
converting of an off-air signal and a CATV signal.
Additional channels can be processed by using
additional channel processor units and either
multi-port combiners or combinations of two-port
combiners.
INSTALLATION NOTES – Level adjustment
provides optimum performance in multichannel
installations. The channel processor outputs should
be checked periodically with a spectrum analyzer to
maintain a ±1 dB variation of adjacent channel
carriers. Aural/Visual (A/V) ratios should be held to
–15 dB or less. The ‘Output Level’ and ‘A/V Ratio’
controls are used respectively to make these
adjustments. If an output level of less than
+50 dBmV is required, add an attenuator of the
appropriate value to the modulator output.
Example:
For an output level of +45 dBmV, add a
12 dB attenuator pad to the modulator output and set
the output level.
RACK MOUNTING – Adequate ventilation is very
important in multichannel installations. Units should
be spaced apart by at least one panel height
wherever possible, and some air movement is
advisable in enclosed rack cabinets. Excessive heat
will shorten component life and unit performance will
be degraded without proper cooling.
FCC PAR.76.612 – Certain cable channel
frequencies assigned to aviation and navigation
communications require frequency offsets. The
OUTPUT CHANNEL switches set the output
frequency for a visual carrier frequency of ‘xx.25’ or
‘xxx.25’ MHz only. The exact output frequency,
however, is relative to the input signal frequency and
any additional offset (plus or minus) set by the
OFFSET switches. Refer to the ‘Output Channel’ list
in the Installation section of this manual to determine
the required offset for a particular output channel.
OFF-AIR
HCP1550
MADE IN THE U.S.A. BY
SERIAL #
HCP1550
MADE IN THE U.S.A. BY
SERIAL #
- RISK
®
RF
OUTPUT
IN
COMPOSITE IF
IF
LOOP
OUT
CAUTION:
OF FIRE - REPLACE
RF
FUSE AS MARKED
INPUT
AFTER DISCONNECTING
UNIT FROM AC LINE.
ATTENTION:
- RISQUE D'INCENDIE REMPLACEZ FUSIBLE DU
TYPE INDIQUE APRES
DEBRANCHER DU SECTEUR.
FUSE
1 / 2 A, 250 V
SLO - BLO
115 VAC, 60Hz
30 WATTS
CATV
- RISK
®
OUT
3611
IN
RF
OUTPUT
OUT
5-1000 MHz -130 dB RFI
2-WAY SPLITTER/
2-WAY SPLITTER
COMBINER
IN
COMPOSITE IF
IF
LOOP
OUT
CAUTION:
OF FIRE - REPLACE
RF
FUSE AS MARKED
INPUT
AFTER DISCONNECTING
UNIT FROM AC LINE.
ATTENTION:
- RISQUE D'INCENDIE REMPLACEZ FUSIBLE DU
TYPE INDIQUE APRES
DEBRANCHER DU SECTEUR.
FUSE
1 / 2 A, 250 V
SLO - BLO
115 VAC, 60Hz
30 WATTS
RF OUT
TO SYSTEM
Figure 3 - Typical Multiple Channel Processor Installation.
6 List of Input and Output Channels
TABLE 1: INPUT CHANNEL
+
CATV
100
CATV
OFF-AIR:OFF-AIR:
OFF-AIR:
OFF-AIR:OFF-AIR:
VHF BROADCAST CHANNELSVHF BROADCAST CHANNELS
VHF BROADCAST CHANNELS
VHF BROADCAST CHANNELSVHF BROADCAST CHANNELS
Channel Number
2
3
4
5
6
7
8
9
10
11
12
13
UHF BROADCAST CHANNELSUHF BROADCAST CHANNELS
UHF BROADCAST CHANNELS
UHF BROADCAST CHANNELSUHF BROADCAST CHANNELS
Channel Number
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
OFF AIR
Visual Carrier
Frequency (MHz)
55.25
61.25
67.25
77.25
83.25
175.25
181.25
187.25
193.25
199.25
205.25
211.25
Visual Carrier
Frequency (MHz)
471.25
477.25
483.24
489.25
495.25
501.25
507.25
513.25
519.25
525.25
531.25
537.25
543.25
549.25
555.25
561.25
567.25
573.25
579.25
585.25
591.25
597.25
603.25
609.25
615.25
621.25
627.25
633.25
639.25
645.25
651.25
657.25
663.25
669.25
675.25
681.25
687.25
693.25
699.25
705.25
711.25
717.25
723.25
729.25
735.25
741.25
747.25
753.25
759.25
765.25
771.25
777.25
783.25
789.25
795.25
801.25
Channel Designation
**Aeronautical offset of ±12.5 kHz.
**Aeronautical offset of ±25 kHz.
B
A
N
D
L
O
W
M
I
D
H
I
G
H
S
U
P
E
R
H
Y
P
E
R
CATV:CATV:
CATV:
CATV:CATV:
Standard
Alphanumeric
Identification
A-2**
A-1**
FF**
+
CATV
100
CATV
OFF AIR
CABLE TV CHANNELS
EIA/NCTA
Numeric
Equivalent
Input Channel
2
3
4
A-8
5
6
A-5
A-4
A-3
A*
B*
C*
D
E
F
G
H
I
7
8
9
10
11
12
13
J
K*
L*
M*
N*
O*
P*
Q*
R*
S*
T*
U*
V*
W*
AA*
BB*
CC*
DD*
EE*
GG*
HH*
II*
JJ*
KK*
LL*
MM*
NN*
OO*
PP*
QQ*
RR
SS
TT
UU
VV
2
3
4
1
5
6
95
96
97
98
99
14
15
16
17
18
19
20
21
22
7
8
9
10
11
12
13
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Visual Carrier Frequency (MHz)
Harmonically
STD / IRC
55.25
61.25
67.25
STD:
N/A
77.25
83.25
STD / IRC
91.25
97.25
103.25
109.25
115.25
121.25
127.25
133.25
139.25
145.25
151.25
157.25
163.25
169.25
175.25
181.25
187.25
193.25
199.25
205.25
211.25
217.25
223.25
229.25
235.25
241.25
247.25
253.25
259.25
265.25
271.25
277.25
283.25
289.25
295.25
301.25
307.25
313.25
319.25
325.25
331.25
337.25
343.25
349.25
355.25
361.25
367.25
373.25
379.25
385.25
391.25
397.25
403.25
409.25
415.25
421.25
427.25
IRC:
73.25
79.25
85.25
Related
Carriers
HRC
54.00
60.00
66.00
HRC:
72.00
78.00
84.00
HRC
90.00
96.00
102.00
108.00
114.00
120.00
126.00
132.00
138.00
144.00
150.00
156.00
162.00
168.00
174.00
180.00
186.00
192.00
198.00
204.00
210.00
216.00
222.00
228.00
234.00
240.00
246.00
252.00
258.00
264.00
270.00
276.00
282.00
288.00
294.00
300.00
306.00
312.00
318.00
324.00
330.00
336.00
342.00
348.00
354.00
360.00
366.00
372.00
378.00
384.00
390.00
396.00
402.00
408.00
414.00
420.00
426.00
CATV:CATV:
CATV:
CATV:CATV:
List of Input and Output Channels, continued 7
+
CATV
100
CATV
OFF AIR
TABLE 2: OUTPUT CHANNEL
CATV
B
A
Alphanumeric
N
Identification
D
H
Y
P
E
R
CATV +100:CATV +100:
CATV +100:
CATV +100:CATV +100:
Designation
Standard
WW
XX
YY
ZZ
AAA
BBB
CCC
DDD
EEE
FFF
GGG
HHH
III
JJJ
KKK
LLL
MMM
NNN
OOO
PPP
QQQ
RRR
SSS
TTT
UUU
VVV
WWW
XXX
Channel
EIA/NCTA
Numeric
Equivalent
Input Channel
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
CATV
CATV
OFF AIR
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
+
100
Frequency (MHz)
STD / IRC
433.25
439.25
445.25
451.25
457.25
463.25
469.25
475.25
481.25
487.25
493.25
499.25
505.25
511.25
517.25
523.25
529.25
535.25
541.25
547.25
553.25
559.25
565.25
571.25
577.25
583.25
589.25
595.25
601.25
607.25
613.25
619.25
625.25
631.25
637.25
643.25
649.25
655.25
661.25
667.25
673.25
679.25
685.25
691.25
697.25
703.25
709.25
715.25
721.25
727.25
733.25
739.25
745.25
751.25
757.25
763.25
769.25
775.25
781.25
787.25
793.25
799.25
Visual Carrier
Harmonically
Related
Carriers
HRC
432.00
438.00
444.00
450.00
456.00
462.00
468.00
474.00
480.00
486.00
492.00
498.00
504.00
510.00
516.00
522.00
528.00
534.00
540.00
546.00
552.00
558.00
564.00
570.00
576.00
582.00
588.00
594.00
600.00
606.00
612.00
618.00
624.00
630.00
636.00
642.00
648.00
654.00
660.00
666.00
672.00
678.00
684.00
690.00
696.00
702.00
708.00
714.00
720.00
726.00
732.00
738.00
744.00
750.00
756.00
762.00
768.00
774.00
780.00
786.00
792.00
798.00
Output Channel
Switch Setting
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
95
96
97
98
99
Visual Carrier
Frequency (MHz)
55.25
61.25
67.25
77.25
83.25
175.25
181.25
187.25
193.25
199.25
205.25
211.25
121.25
127.25
133.25
139.25
145.25
151.25
157.25
163.25
169.25
217.25
223.25
229.25
235.25
241.25
247.25
253.25
259.25
265.25
271.25
277.25
283.25
289.25
295.25
301.25
307.25
313.25
319.25
325.25
331.25
337.25
343.25
349.25
355.25
361.25
367.25
373.25
379.25
385.25
391.25
397.25
403.25
409.25
415.25
421.25
427.25
433.25
439.25
445.25
451.25
457.25
463.25
469.25
475.25
481.25
487.25
493.25
499.25
505.25
511.25
517.25
523.25
529.25
535.25
541.25
547.25
91.25
97.25
103.25
109.25
115.25
Required Frequency
Offset (kHz)
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
±12.5
±12.5
±12.5
NONE
NONE
NONE
NONE
NONE
NONE
NONE
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±25
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
±12.5
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
±25
±25
8 Service / If You Need To Call For Help
SERVICE INFORMATION
You may contact the R.L. DRAKE Service Department for
additional information or assistance by calling
+1 (937) 746-6990, Monday through Friday, between
8:00 A.M. and 4:00 P.M. Eastern Time, except on holidays.
You may also contact the R.L. DRAKE Service Department by
E-mail at the following address:
servicehelp@rldrake.com
or by Telefax:
+1 (937) 743-4576.
IF YOU NEED TO CALL FOR HELP
Call our Customer Service/Technical Support line at
+1 (937) 746-6990 between 8:00 A.M. and 4:00 P.M.
Eastern Time, weekdays. Please have the unit’s serial
number available. We will also need to know the specifics
of any other equipment connected to the unit.
When calling, please have the unit up and running, near
the phone if possible. Our technician(s) will likely ask
certain questions to aid in diagnosis of the problem. Also,
have a voltmeter handy, if possible.
R.L. DRAKE also provides technical assistance by
e-mail: techsupport@rldrake.com
or by Telefax: +1 (937) 743-4576.
Should you want to return your unit for service, package
the unit carefully using the original carton or other suitable
container.
Write your return address clearly on the shipping carton
and on an enclosed cover letter describing the service
required, symptoms or problems. Also include your
daytime telephone number and a copy of your proof of
purchase.
The unit will be serviced under the terms of the
R.L. DRAKE COMPANY Limited Warranty and returned
to you.
Red is an overnight service. Send the unit in a way that it
can be traced if we can’t verify receipt of shipment. We
suggest UPS or insured postal shipment.
If the unit is still under the original owner’s warranty,
R.L. DRAKE will pay the cost of the return shipment to
you. Our return shipping policy is that we will return it UPS
Brown if received Brown or by US Mail, it will be returned
Blue if received Blue or Red—or it will be returned
however you prefer if you furnish the return cost for the
method you select.
If the unit is out of warranty, use one of the following
methods for return shipment:
Many of the products that are sent to us for repair are in
perfect working order when we receive them. For these
units, there is a standard checkout fee that you will be
charged. Please perform whatever steps are applicable
from the installation sections of the Owner's Manual
before calling or writing—this could save unnecessary
phone charges. Please do not return the unit without
contacting R.L. DRAKE first: it is preferred to help
troubleshoot the problem over the phone (or by mail) first,
saving you both time and money.
Inside the carton, enclose a note with your name, address, daytime phone number, and a description of the
unit’s problem.
The unit must be sent to the following address:
Service Department
R.L. DRAKE COMPANY
230 Industrial Drive
Franklin, Ohio 45005 U.S.A.
Be sure to include your street address which will be
needed for UPS return. UPS Surface (Brown Label) takes
7-10 days to reach us depending on your location, Blue
takes 2-3 days.
1) You designate billing to American ExPress, VISA,
MasterCard or Discover card;
2) You prepay the service charges with a personal check,
or
3) You specify some other method of return and payment.
When calling, the technician can estimate the repair
charges for you over the phone. This is another good
reason to call before sending a unit in for repair.
Typically, equipment is repaired in five to ten working
days after it arrives at R.L. DRAKE if we have all the facts.
If we must call you, it may take longer. R.L. DRAKE is not
responsible for damage caused by lightning, nonprofessional alterations, “acts of God”, shipping damage, poor
storage/handling, etc. R.L. DRAKE will make note of any
shipping damage upon receipt.
You will need to send proof of purchase to receive
warranty service. Typically, a copy of the invoice from an
R.L. DRAKE dealer will suffice. The warranty is for the
original owner only and is not transferable.
Warranty 9
Three Y ear Limited Warranty
R.L. DRAKE COMPANY warrants to the original purchaser this product shall be free from defects in material or
workmanship for three (3) years from the date of original purchase.
During the warranty period the R.L. DRAKE COMPANY or an authorized Drake service facility will provide, free
of charge, both parts and labor necessary to correct defects in material and workmanship. At its option,
R.L. DRAKE COMPANY may replace a defective unit.
To obtain such a warranty service, the original purchaser must:
(1) Retain invoice or original proof of purchase to establish the start of the warranty period.
(2) Notify the R.L. DRAKE COMPANY or the nearest authorized service facility, as soon as possible after discovery
of a possible defect, of:
(a) the model and serial number,
(b) the identity of the seller and the approximate date of purchase; and
(c) A detailed description of the problem, including details on the electrical connection to associated equipment and
the list of such equipment.
(3) Deliver the product to the R.L. DRAKE COMPANY or the nearest authorized service facility, or ship the same
in its original container or equivalent, fully insured and shipping charges prepaid.
Correct maintenance, repair, and use are important to obtain proper performance from this product. Therefore
carefully read the Instruction Manual. This warranty does not apply to any defect that R.L. DRAKE COMPANY
determines is due to:
(1) Improper maintenance or repair, including the installation of parts or accessories that do not conform to the
quality and specifications of the original parts.
(2) Misuse, abuse, neglect or improper installation.
(3) Accidental or intentional damage.
All implied warranties, if any, including warranties of merchantability and fitness for a particular purpose, terminate
three (3) years from the date of the original purchase.
The foregoing constitutes R.L. DRAKE COMPANY’S entire obligation with respect to this product, and the original
purchaser shall have no other remedy and no claim for incidental or consequential damages, losses or expenses.
Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusions or
limitation of incidental or consequential damages, so the above limitation and exclusion may not apply to you.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
This warranty shall be construed under the laws of Ohio.
For Service, contact:
R.L. DRAKE COMPANY
230 Industrial Drive
Franklin, Ohio 45005 U.S.A.
Customer Service and Parts Telephone:
+1 (937) 746-6990
Telefax:
+1 (937) 743-4576
World Wide Web Site:
http://www.rldrake.com
R.L. Drake Company
230 Industrial Drive
Franklin, Ohio 45005 U.S.A.
Customer Service and Parts Telephone: +1 (937) 746-6990
Telefax: +1 (937) 743-4576
World Wide Web Site: http://www.rldrake.com
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