omnicron-electronics vlr recorder 用户手册

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OMNICRON VLR recorders are professional loggers 
designed to provide you with complete documentation of 
your important telephone conversations, two-way radio 
messages, or dictation. They have unique features which 
allow virtually unlimited use in a wide range of applications 
with top performance and minimal maintenance. 
 
Built-in voice activation circuitry expands the recording 
time by automatically stopping the recorder between 
conversations. The recorders can be ordered for either 
standard speed or slow speed operation. The VLR-1 
recorders run at the standard cassette speed allowing you 
to record and play back tapes which are compatible with 
recorders that do not have slow speed capability. 
 
Advanced slow speed drive circuits in the VLR-4 and 
VLR-8 recorders expand the recording time even further 
to provide 8 or 16 hours of solid talk time on each cassette 
tape. The VLR-4 provides four times more recording and 
playback time per tape than the VLR-1. It packs 8 hours of 
conversation on each MLC-120 cassette tape. The super 
slow speed VLR-8 runs at 1/8 speed for 16 hours per tape 
with little loss in voice quality (8 hours per side with an 
MLC-120 cassette tape). 
 
VLR
 
recorders
 
with
 
the
 
Clock
 
(CT)
 
Track
 
option
 
(VLR-1CT, 
VLR-4CT, and VLR-8CT) are designed for use with the 
OMNICRON TCC-14 Talking Clock/Calendar. They have 
a second track for recording the verbal time and date 
announcements provided by the clock. When playing back 
the recorded conversations, simply switch to the Time 
Track and you will know exactly when that moment of 
conversation was recorded. One Talking Clock can 
provide time and date announcements for over 50 
recorders. 
 
OMNICRON recorders are used in a wide variety of voice 
logging applications. A standard or custom audio adapter, 
coupler, or cable should be be ordered with the recorder 
to match your audio source. Contact your OMNICRON 
representative for assistance in selecting the equipment 
best suited to your application. Factory help is also 
available by calling (860) 928-0377. 
GENERAL 
ALARM
 
 
Beeps
 
when
 
the
 
cassette
 
needs
 
to
 
be
 
changed, 
or if the recorder is turned off either accidentally or by the 
built-in all mode motion sensing circuit. The tape 
automatically turns off and sounds the alarm if the tape 
stops when it should be moving in record, play, fast-
forward, or fast-rewind. 
 
MONITOR WHILE RECORDING  —  Lets you listen to  
conversations while they are being recorded through the 
built-in speaker, through either of two 1/4" headphone 
jacks, or through the 1/4" external speaker jack (8 ohm). 
 
CUE AND REVIEW —  For rapidly finding and repeating 
recorded messages. 
 
AUTOMATIC RECORD LEVEL CONTROL  —  Prevents 
overload on strong signals. Manually adjustable record 
level, activate sensitivity, and turn-off delay permit you to 
adjust the recorder’s voice activation circuit to match 
your particular application. 
 
MONITOR AND ALARM ON/OFF SWITCHES 
 
AUTOMATIC END-OF-TAPE SHUT-OFF  —  In record, 
fast-forward, and rewind. 
 
AUTOMATIC BATTERY CHARGING  — For optional 
rechargeable batteries (RBC-6), unit automatically 
switches to battery power if external AC power is lost. 
 
INPUT/OUTPUT JACKS  — Microphone, remote on/off, 
auxiliary audio input, remote speaker, two headphone 
jacks, and Talking Time Clock (with CT option). 
 
ROTARY VOLUME AND TONE CONTROLS 
 
DIGITAL INDEX COUNTER WITH RESET 
 
AC BIAS RECORDING  — For optimum voice frequency 
recording. 
 
EASY, SELF-INSTALLATION  — In most applications  
with optional adapter. 
FEATURES 
POWER  — 120 VAC 50/60 Hz, 10 Watts, six “C” cell 
batteries, or optional RBC-6 rechargeable battery pack. 
 
SIZE — 7-3/4" W x 11-1/2" D x 2-3/4" H, 4-1/2 lbs. 
 
INPUTS —  M i c r o p h o n e ,   2 k   o h m s ,  
- 7 0 d B                                
  A u x i l i a r y ,   2 0 0 k   o h m s ,   - 20 dB                 
  Clock, 600 ohms, -10 dB 
 
AUDIO OUTPUT — 1 Watt 
 
SIGNAL TO NOISE RATIO  — VLR-1 is 50 dB, VLR-4 is 
42 dB, VLR-8 is 34 dB. 
 
TAPE SPEED  — VLR-1 is 1-7/8 I.P.S., VLR-4 is 15/32 
I.P.S., VLR-8 is 15/64 I.P.S. 
 
TAPE SIZE — Standard Compact Audio Cassette. 
 
ERASE SYSTEM — AC 
RECORD SYSTEM — AC bias. 
 
MAXIMUM RECORDING TIME  — With MLC-120 tape: 
VLR-1 records 1 hour per side at 1-7/8 I.P.S., VLR-4 
records 4 hours per side at 15/32 I.P.S., VLR-8 records 8 
hours per side at 15/64 I.P.S. 
 
BUILT-IN SPEAKER — 5", 8 ohm, 5 Watts. 
 
Each VLR recorder comes with an MLC-120 cassette 
tape, AC power cord, owner’s manual and a limited 1 year 
warranty. Recorders with the CT option are also supplied 
with a cable for connection to the optional TCC-14 time & 
date source. You will also need an adapter, coupler, or 
cable to connect the recorder to your audio source. Order 
it as a separate item to match your specific requirements. 
 
Specifications are subject to change without notice. 
SPECIFICATIONS