Features
• Unified Zenith
TVNCR Remote
Control SC3720
• Slow Motion
• LED Display
• New Larger Controls
• On-Screen
Programming
• 1 Year, 8 Event Timer
• Instant Recording
• 181 Channel
Capability
• Auto Channel Search
• Auto Digital
Picture Tracking
• Center Load Tape
System
• Quick Start Loading
• Auto Playback
System
• Auto Counter Reset
• Counter Memory
• Index Search System
• HQ Circuitry
VRi 4110
Video Cassette Recorder
Operating Guide and Warranty
Return your Product Registration Card
and your VCR could be Free!
.......... I IIIP'
WARNING:
TO REDUCE THE RISK OF ELECq'RIC SHOCK DO NOT
REMOVE COVER (OR BACK). NO USER SERVICEABLE
PARTS INSIDE. REFER TO QUALIFIED SERVICE
PERSONNEL.
TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT
EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.
The lightning flash with arrowhead 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.
Safety Tips
Refer to the "Safety Tips" booklet that came with your
product for important safety considerations.
Note to Cable TV System Installer
This reminder is provided to call the cable TV system
installer's attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in par-
ticular, specifies that the cable ground shall be con-
nected to the grounding system of the building, as close
to the point of the cable entry as practical.
Power-Cord Polarization
This product is equipped with a polarized alternating-
current 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 by altering it in any way.
CAUTION
TO PREVENT ELECTRIC SHOCK, MATCH WIDE
BLADE OF PLUG TO WIDE SLOT, FULLY IN-
SERT.
ATTENTION
POUR I_VITER LES CHOCS I_LECTRIQUES, IN-
TRODUIRE LA LAME LA PLUS LARGE DE LA
FICHE DANS LA BORNE CORRESPONDANTE DE
LA PRISE ET POUSSER JUSQU'AU FOND.
REGULATORY INFORMATION
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful inter-
ference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the in-
structions, may cause harmful interference to radio com-
mtmications. However, there is no guarantee that
interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio
or television reception, which can be determined by turn-
ing the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the fol-
lowing measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV
technician for help.
CAUTION: Do not attempt to modify this product in any
way without written authorization from Zenith
Electronics Corporation. Unauthorized modification
could void the user's authority to operate this product.
Copyright © Zenith Electronics Corporation 1993 VCRWARN1
General Information
Introduction
Welcome into the family of Zenith Video Recorder owners.
This guide provides instructions on how to operate your
new VCR. It is supplemented by a booklet containing
Safety Tips. We urge you to read these publications careful-
ly so that you will receive full enjoyment from your new
Zenith VCR for many years to come.
Zenith Electronics Corporation
Customer Service Department
1900 N. Austin Avenue
Chicago, Illinois 60639-5079
Telephone: (312) 745-5152
Mon-Fri, 8:00 a.m. - 4:30 p.m. Central Time
Your new Zenith VCR has been designed and built to give
you the very best in quality, features and performance. There
are approximately 75 regional Zenith distributors and
thousands of distr_utor-approved Zenith video recorder ser-
vice centers throughout the U.S. and Canada who can attend
promptly and effectively to ordinaryservice needs.
If you should have an unusual performance or service problem
that cannot be satisfactorily resolved by your distributor-
approved Zenith video recorder service center, contact the
regional Zenith distributor in your area, or write or call:
Send the model number, serial number, and date of pur-
chase or original installation, with a full explanation of the
problem and the service history. We will welcome the op-
portunity to look into your specific question or problem and
to be of assistance in resolving it promptly.
The model and serial numbers of your new VCR are lo-
cated on the VCR cabinet. For your future convenience and
protection, we suggest that you record these numbers here:
Model No.
Installation Considerations
Before you install your VCR...
Ventilation - Proper ventilation keeps your
Serial No.
VCR running cool. Air circulates through per-
forations in the back and bottom of the cabinet.
Do not block these vents or you will shorten the
life of your VCR.
Power Source - Your VCR is designed to
operate on normal household current, 120 volt
60 Hertz AC. Do not attempt to operate it on
DC current.
Power Cord - Your VCR power cord has a
polarized plug as required by Underwriters'
Laboratories. It has one regular blade and one
wide blade and fits only one way into a standard
electrical outlet. If the blades will not enter
either way, your outlet is very old and non-stand-
• Plugging in Your VCR - Be sure to plug your VCR into
an "unswitched" AC power source. The "switched" AC
outlets found on some video equipment will not continue
supplying power to the VCR once the equipment is
turned off. If the power to the VCR is interrupted for an
extended time, you will have to reset the clock in the VCR.
• Keep the video recorder and video cassette away from
strong magnetic fields.
• Use only Zenith approved and recommended acces-
sory units with your Zenith video recorder to avoid
potential hazards.
• Save the shipping carton and packing material. They
will come in handy if you ever have to ship your video
recorder. For maximum protection, re-pack the video
recorder as it was originally shipped from the factory.
ard. A new outlet should be installed by a qualified
electrician.
Safe Operation - Your VCR is manufactured
_lk nd tested with your safety in mind. However,
unusual stress caused by dropping or mishan-
dling, exposure to flood, fire, rain or moisture,
or accidental spilling of liquids into the VCR,
can result in potential electrical shock or fire hazards. If this
happens, have your VCR checked by a service technician
before using it again.
Please read and observe each safety point in the "Safety
Tips" folder when installing and using your VCR.
Moisture condensation is apt to occur under the following
conditions:
• When the video recorder is moved from a cold place to
a warm place.
• Under extremely humid conditions.
In locations where moisture condensation may occur:
• Keep the power cord plugged into an AC outlet and
the POWER switch set to ON. This will help prevent
condensation from occurring.
• When condensation has occurred, it will not evaporate
quickly once the power is switched on. Wait a few
hours for the video recorder to become dry before
using the video recorder.
i VCRINqR4
Specifications
These specifications are subject to change
without notice. Weight and dimensions are ap-
proximate.
Power Requirements
Operating Voltage
120 V, 60 Hz
Power Consumption
19W
Environmental Conditions
Operating Temperature
41" F to 95° F (5°C to 35°C)
Relative Humidity 5% to 80%
Storage Temperature
-4°to + 140° (-20°C to + 60°C)
Relative Humidity 5% to 80%
Physical Characteristics
Dimensions (W x H x D)
14.2 x 3.5 x 13.4 Inches (360 x 88 x 340 mm)
Weight
9.7 Ibs (4.4 kg)
Video System
Format
VHS 1/2 inch (12.7 mm) Cassette
Signal
NTSC color/EIA monochrome (525 lines/50 fields)
Input
1.0 Vp-p, 75 ohms unbalanced, negative sync
Output
1.0 Vp-p, 75 ohms unbalanced, negative sync
Signal to Noise ratio
_>43dB (SP speed)
Signal Processing
HQ enhancement circuitry
Audio Systems
Monaural
1 Channel standard VHS
Frequency Response
70 to 10,000 Hz
Signal to Noise Ratio
_>40dB (SP speed)
Input
Output
Minus 8 dB into
Minus 8 dB into
_>47,000 ohms
< 1,000 ohms
Recording System
Type
Rotary Helical Scan
Heads
4 Heads, Double Azimuth (Slant Design)
Speeds
SP- 1 5/16 IPS (33.34 mm/sec)
LP- 21/32 IPS (16.67 mm/sec)
EP- 7/16 IPS (11.12 mm/sec
Maximum Time
SP- 2 Hours 40 Minutes ('r-160 tapes)
LP- 5 hours 20 minutes (T-160 tapes)
EP- 8 hours (%160 tapes)
Tuning System
Type
50 --800 MHz Frequency Synthesized
VHF Channels
2to 13
UHF Channels
14 to69
CATV Channels
1 to 125 (4A, A to W, W + 1 to W + 84, A-5 to A-1)
Input
1.0 Vp-p, 75 ohms unbalanced
Output
1o0Vp-p, 75 ohms unbalanced
Audio Signals
Monaural (Frequency Modualted)
Timer
Program Capacity
1 Year/8 Events
Power Backup
30 seconds
2_09-0 ii
'Fable of Contents
Note: This is a task oriented operating guide and is broken down into the steps one would ordinarily fol-
low in using this VCR; VCR/Remote controls, Installation, VCR Setup, Playing Tapes, Recording Tapes, etc.
Safety Warnings
Regulatory Information
.................. Inside front Cover
Electrical Shock Warnings
.................. Inside front Cover
General Information
Introduction ...................... i
Installation Considerations ......... i
Specifications
VCR Specifications Listing ........ ii
1 VCR Front Panel
Controls Description and Use ..... 1-1
2 VCR Back Panel
Connections Description and Use 2-1
Audio/Video Cable Connections
Jacks ......................... 2-1
Antenna Connection Jacks ....... 2-1
Channel 3-4 Switch .............. 2-1
3 VCR Remote Control
Controls Description and Use ..... 3-1
Installing Batteries .............. 3-2
4 VCR Installation
Unpack the VCR and Accessories 4-1
System Connections
Basic First Time Connections VCR,
Antenna, Cable Box and TV Set 4-1
Replacing an old VCR with a Zenith
VCR ........................ 4-1
New VCR Owner Connections .... 4-1
VCR Front and Back Panel
Connection Options ........... 4-2
Cable (CATV) Connections ...... 4-3
System Diagram ................. 4-3
5 VCR Setup
Enter information that prepares your
VCR to receive programs that are
broadcast inyour local area and
specifying VHF/UHF type
antenna(s) or Cable service
(CATV) ..................... 5-1
On-Screen Menu System ......... 5-1
Setting the Clock ................ 5-2
Receiving TV Programs VHF/UHF
or Cable TV Service ............. 5-2
Channel Search ................. 5-2
Channel Save/Skip ............... 5-2
VCR Function On-Screen Display 5-3
Power Failures ............. 5-3, 11-2
Error Messages ................. 5-3
6 Playback
(Playing Tapes)
Playing Tapes ................... 6-1
Stop Playing Tapes .............. 6-1
Loading and Ejecting Tapes ...... 6-1
Additional Playback Features ..... 6-2
Still/Slow Motion/Pause .......... 6-2
Rewind/Fast Forward ............ 6-2
Reverse/Forward Search ......... 6-2
Tracking Adjustment Auto/Manual 6-2
Real Time Tape Counter .... 6-2, 10-1
Index Search (See Section 10)
Automatic Counter Resetting 6-2, 10-1
Elapsed Time Display ....... 6-2, 10-1
Counter Memory ........... 6-2, 10-1
7 Recording Tapes
Recording ...................... %1
Additional Recording
Features ..................... 7-2
8 Instant Timer
Recording
(Instructions for recording what you
are currently viewing on your TV.)
Instant Timer Recording ......... 8-1
Notes .......................... 8-2
9 Timer Recording
(Instructions for recording TV
programs while you are away.)
Timer Recording ................ 9-1
Additional Timer Recording ...... 9-2
10 Additional
Operations
Recording Speed Selection ...... 10-1
Real Time Tape Counter ........ 10-1
Automatic Counter Reset ....... 10-1
Counter Memory ............... 10-1
Index Search ................... 10-2
11 Service Information
(VCR Operating Difficulties)
Before Calling for Service ....... 11-1
Problem/Resolution Chart ..... 11-1, 2
Maintenance .................. 11-2
12 Accessories
.............................. 12-1
13 Product Registration
Card
Receive Current Product Info .... 13-1
14 Your Zenith Warranty
.............................. 14-1
Index of Features
1Year, 8 Event Timer ........... 9-1
181 Channel Capability ........... ii
Auto Channel Search ............ 5-1
Auto Counter Reset .............. 6-2
Auto Digital Picture Tracking ..... 6-2
Auto Playback System ........... 6-1
Center Load Tape System ........ 1-1
Counter Memory ........... 6-2, 10-2
HQ Circuitry .................... ii
Index Search System ............ 10-2
Instant Recording ............... 8-1
LED Display ............... 1-1, 3-1
New Larger Controls ............ 1-1
On-Screen Programming ......... 5-1
Slow Motion .................... 6-2
Unified TV/VCR SC3720 Remote
Control ....... 3-1, 6-1, 7-1, 8-1, 9-1
iii
VCR Front Panel Controls
VRL4110 • 4HEADS(DA).ON SCREEN PROGRAMMINGoHQ SP-LP.EP
I ,,- Jl CHANNEL
• I . // V,_R ;HI IL_"_M
(r" i ( / f-
1. POWER -- Press to turn VCR on or off. Red
light will be on while VCR is on.
2. STOP/EJECT -- Press once to stop tape play-
ing, p_'ess again to eject tape.
3. CASSETTE LOADING COMPARTMENT
DOOR -- Insert your VHS cassette tape into com-
partment until VCR loads tape.
4. REC/ITR -- Press and hold until REC lights in
the message center to make an instant recording
of what you see on your TV screen.
5. SP/LP/EP -- Press to change tape recording
speed. SP is Standard Play, LP is Long Play and
EP is Extended Play.
6. CHANNEL UP -- Press once to move channel
number to the next set higher channel.
7. CHANNEL DOWN -- Press once to move chan-
nel number to next set lower channel.
8. TMR -- This symbol will light when VCR is in
Timer Mode.
9. PM -- Symbol tells you current time is PM.
10. AM -- Symbol tells you current time is AM.
11. CLOCK -- Remains on whether VCR is
operating or not. If a power failure occurs the
26O9-0
clock will reset to -:- - . A power failure will
also erase any timed program information; the
same will happen if you disconnect the power
cord.
12. REC -- This symbol lights when the VCR is
recording.
13. VCR -- This symbol lights when the VCR
mode has been selected by means of the
TV/VCR key on the remote control or by playing
a tape.
14 CASSETTE LOADED VCR SYMBOL A
cassette tape is loaded and ready for operation in
the cassette loading compartment.
15. MESSAGE CENTER -- Information will be
displayed in the Message Center detailing the
VCR current operational mode.
16. F FWD -- Press to fast forward a tape in the
VCR.
17. REW -- Press to rewind a tape in the VCR.
18. PLAY -- Press to play a tape in the VCR.
19. VHS -- You must only use cassette tapes
with the VHS logo on them.
1"-1
VCR Back Panel Connection Jacks
VHFAJHF/GA_/
The OUT jacks will be used to send the VCR sig-
nals out to other sources. The IN jacks will be
used to bring signals into the VCR. (See Installa-
tion.)
1. ANT IN -- Connect your existing antenna or
CATV cable to this jack.
2. ANT OUT -- Connect RF cable supplied with
this VCR from this jack to Antenna In on TV set.
3. Ch 3-4 -- Set this switch to send the VCR sig-
nal to your TV set. The TV will receive the signal
from your VCR over this channel. Your TV set's
channel and this VCR switch must both be set to
the same number; either 3 or 4 to view what is
being recorded or played back..
4. AUDIO -- Use these jacks for improving the
audio and video signal performance of the VCR
by, for example, connecting to a stereo system or
to the input jacks on a stereo TV. They are also
used to connect other units such as a video
camera, camcorder, Stereo Hi-Fi or another
VCR for dubbing purposes. These other sources
are accessed by switching the VCR source to
AUX mode. See Section 5 VCR Setup.
5. VIDEO OUT -- Connection for sending the
VCR signal to another source.
VIDEO IN -- Connection jack for a video camera
or other source.
2_09-o 2--1
Remote Control
Control Keys on the Zenith SC3720 Dual Function Remote Control
and VCR with the remote control will allow you
to operate each unit individually. Some of the ad-
vanced features on your TV cannot be accessed
with the SC3720. Use the remote control
provided with your TV for these advanced fea-
tures.
1.TV - Will light momentarily when mode is
switched to operate TV or when you press a key
on the remote while in the TV Mode.
2. VCR -- Will light momentarily when mode is
switched to operate VCR or when you press a key
on the remote while in the VCR Mode.
3. MODE -- Press to switch control between TV
and VCR.
4. OFF/ON -- Turns VCR or TV off or on when
in that particular mode.
5. MENU -- Press (while in VCR mode) to place
Main Menu (VCR Features) on TV screen.
6. SOURCE -- A function key for your TV, refer
to TV operating guide.
7. FLASHBK -- A function key for your TV, refer
to TV operating guide.
8. QUIT -- Press to exit main menus.
9. CHANNEL -- Press Up arrow to go to next
higher channel, press Down arrow to go to next
lower channel.
10. VOLUME -- For Zenith TVs press Up arrow
to increase volume level, press Down arrow to
decrease volume.
Your Zenith SC3720 remote control operates
your VCR by means of an Infra-Red (IR) Signal.
It must be aimed at the VCR to function and
when controlling the VCR, the VCR light will
come on each time a key is pressed.
Operate Zenith TVs with the SC3720 Remote
This remote can also operate your Zenith Infra-
Red (IR) controlled TV. Switching between TV
26O9-0
11. MUTE -- For Zenith TVs press to turn the
sound coming from your TV off, press again to re-
store the sound.
12. SEARCH -- Use to advance or rewind a
recorded tape to an indexed position.
13. PAUSE -- Press to momentarily cease VCR
record functions or to obtain a still picture while
playing a tape.
3°=1
Remote Control
14. TVNCR -- A change key. Press to change be-
tween TV and VCR tuners to show broadcast
programs on the TV screen.
15. F FWD -- Press to advance tape.
16. STOP -- Press to stop playing or recording a
tape.
17. PlAY -- Press to begin playing a tape.
18. REWIND -- Press to rewind tape.
19. RECORD -- Press and hold down until REC
lights in VCR message center to start recording
on a tape.
20. MEMORY -- Use with the tape counter to ac-
cess locations on recorded tapes.
21. AM/PM -- Use to enter AM or PM where re-
quired.
22. TIMER -- Press when all program recording
information has been entered. This will turn off
the VCR until the program time arrives. Press
again to release VCR from Timer Mode.
Note: Once the VCR is in the Timer Mode the
TIMER key must be pressed to release the VCR
from Timer Mode.
23. ENTER -- Press to set entered information.
24. Numbers 0 through 9-- Use these keys to
choose information where applicable. These keys
are also used for direct channel access.
25. SELECT -- Use this key to choose informa-
tion in the menus and sub-menus, where re-
quired.
26. ADJ -- Press to choose information where ap-
plicable; also used to manually adjust the tracking.
Remote Control Battery Compartment
1. &
1. Open battery compartment on the back of the
remote control by using your fingernail to
squeeze the tab lock open.
2. Lift compartment door out and install batteries.
Install two (2) high quality new alkaline AAA
size batteries in the VCR remote control.
Note the positive and negative positions for plac-
ing the batteries in the remote control. Once
fresh batteries are installed into the remote con-
trol it is ready for use.
3. Replace compartment door on remote control.
Notes:
• Be careful not to place heavy objects on top of
the remote control buttons. Prolonged acciden-
tal operation of the remote control will shorten
battery life.
• If you do not use the remote control for a month
or more, remove the batteries. Battery leakage
can cause damage to the remote control.
• Zenith is not responsible for damage caused by
such battery leakage.
2_o 3 -- 2
Installation
Unpack The VCR
and All Accessories
(VCR, remote control and
hookup cable. If any parts are
missing notify your nearest
Zenith Dealer.)
Disconnect antenna from your
TV or other units. Position
VCR in desired location away
from any interfering wiring.
Turn the VCR around so you
are looking at the back side and
locate the connections panel.
Note: It is important to place
the VCR where you plan on
using it. After setting the Clock
and completing the Channel
Search, if you disconnect the
VCR power cord all
programmed information will
be erased. (This will also occur
if there is a power failure.)
Antenna Connections
Connect the antenna to the
VCR and the VCR to the TV.
If you have CATV (Cable TV)
use the connections detailed on
page 4-3.
Notes:
1. If you are replacing an ex-
isting VCR, disconnect
your old VCR and connect
the new VCR in the same
way.
2. If this is your first VCR in-
stallation refer to Connec-
tions 4-2 for hookup
procedures.
3. For basic first-time con-
nections, proceed as shown
in Diagram A.
26O9-0
Diagram A is designed to help
you connect your VCR to your
antenna and TV set.
Step 1.
Connect your antenna cable to
your VCR using the VCR ANT
IN jack located on the back
pane] of the VCR as shown. (If
this is not how your antenna
cable looks you may need addi-
tional adapters to complete
these connections. Refer to
page 4-2 for connecting your
VCR).
Step 2.
Connect the hookup cable sup-
plied with your VCR to the
VCR ANT OUT jack. Connect
the other end to the ANT IN
jack on the TV set.
Step 3.
Slide the CH3-4 switch so it is
in the CH 3 position; this sends
the VCR signal to the TV set
over channel 3. (If CH 3 will
not work, slide the switch to
CH 4.)
Diagram A. VCR Back Panel Cable Connections
Step 2 Hookup
Cable
[_ Step 3 CH3-4
rr Switch
OUT" CH3 CH4
VHFIIJHF_AW
Hookup Cable
p 1 Antenna Cable
4°-1
Connections
These illustrations are designed
to help you connect your VCR
to your antenna and TV set.
Step 1.
Identify your particular anten-
na type. Connect your antenna
to your VCR using the VCR
ANT IN jack. *
Step 2.
Connect the cable supplied
with your VCR to the VCR
ANT OUT jack. Connect the
other end to the ANT iN jack
on the TV set. *
Step 3.
Your VCR is equipped with
Audio/Video Input and Output
jacks on the back panel. If you
have Audio/Video input and
output jacks on your TV set or
Audio input/output jacks on
your stereo, you may choose to
make these connections that
will improve the Audio/Video
output performance of your
VCR. *
* Note: You may need additional
adapters to make the connections
shown.
Step 1 Antenna To VCR Connections
VCR BACK PANEL Antenna Cables Inside or Outside
( )ANT[] /
OUT c.s c_{
VHF/UHr/CA1V \
f_ANT "_
I
I
I
I ----[:I_:I_
I
[,..._ _
VHF or UHF
CAW Cable
or Antenna
75 ohm Coaxial Cable
VHF/UHF Splitters
Flat 300 ohm Twin Lead Cable
Step 2 VCR To TV Connections
VCR BACK PANEL
lm
OUT CHacH4
t VHF/UHF Splitters
lot
J- able_]-
75 ohm Coaxial C
Step 3 AudioNideo Connections
VCR BACK PANEL
Lo '.?J
Audio Cables
Y Adapter
I Audio Cable
I
Y Adapter
f
Video Cables
Video
SIEREO
Cclrl'lc oFder"
4--2
26O9-O
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