Henry-engineering DigiStor II Manuale Utente
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HENRY ENGINEERING
503 Key Vista Drive
Sierra Madre, CA 91024
Tel: 626.355.3656
Fax: 626.355.0077
1.0 DESCRIPTION:
DigiStor II is a multi-message digital audio recorder. It can store up to 8 minutes (16 mins. optional) of monaural
audio with a bandwidth of 6.5 kHz. DigiStor II's multiple modes of use make it ideal for numerous applications in
broadcasting, telecommunications, and commercial sound: network news delay, station or translator ID and spot
insert, message-on-hold, news & actuality lines, call-in telephone information, museum exhibits & displays, sound
effects, announcements, etc. DigiStor II can store up to 8 messages which can be played in any order. Multiple
playback modes support one-time or repeat play, plus automatic sequencing and message "stacking". Messages
can be different lengths, and can be selectively recorded (or changed) without having to re-record other messages.
Messages are stored in non-volatile flash memory and are retained even if power is off. (No backup battery
needed.) Recording and playback is via local or remote control. DigiStor II can record from either a mic or line
level source. Line input and output levels are adjustable. An "eom" relay pulse is automatically generated at the
end of message playback. The included telephone coupler allows DigiStor II to be connected to a phone line for
auto-answer message playback. A special "SR" version adds: "Secondary Cue" relay output, 16 minute storage
time, RS-232 control of Record and Play functions, and front-mounted controls.
2.0 INSTALLATION: DigiStor II can be wall or desk mounted. For desk mounting, install the rubber feet included.
2.1 DC POWER: Connect the included power supply via the POWER terminals. Observe polarity.
2.2 AUDIO INPUTS: DigiStor II can record from either a mic or line level source. To record from a mic, use the
1/8" MIC input jack. This input is unbalanced, and will accept any LO-Z mic signal. To record from a line source
(tape deck, audio mixer, editor) use the RCA LINE input jack. This input is unbalanced, and will accept a line level
signal between about -15 and +4 dBv. The input impedance is 10K ohms; termination is not required. NOTE: The
MIC and LINE inputs cannot be used simultaneously. Use either the MIC OR LINE input, but not both at the same
time.
2.3 AUDIO OUTPUTS: DigiStor II provides two audio outputs: one is at -10 dBm, the other is +4 dBm. Select the
output most appropriate for the equipment being driven. The -10 dBm output is via the RCA jack. This output is
balanced and transformer isolated, and will drive a 600 ohm load. It CAN be ground-referenced if necessary.
The +4 dBm output is via the output terminals labeled SPKR. This is an ACTIVE balanced (transformerless)
output. It can drive any load, including a loudspeaker, with a load impedance of 8 ohms or higher. Because this
output is electronically balanced, DO NOT connect either output terminal to ground. DO NOT reference the load to
ground. It is not necessary to terminate either output.
3.0 DESCRIPTION OF CONTROLS AND LEDs: DigiStor II uses top-mounted pushbuttons for local recording and
playback of messages and to indicate system status. They function as follows:
SWITCHES
RECORD SETUP Push to enter/exit the Record Setup mode
START/STOP Push to start or stop Play or Record function.
SELECT Push to select the message to be played or recorded.
LEDs
POWER ON=Power on, system OK. FLASH=memory error. See Sec. 6.0.
OVERDRIVE ON=Audio input level too high. (Turn Input Level CCW)
AUDIO SENSE ON=Audio input signal present. OFF=No audio detected.
RECORD FLASH=Ready to record; ON=Recording in process
MESSAGE #s Indicates which message are active or selected, see text below:
The MESSAGE # LEDs indicate the status of each message. When the system is idle, all LEDs are OFF. Each
time the SELECT button is pressed (to select a message for playback), it cycles through active (recorded)
messages, which are indicated with a FLASHING LED. When a message is playing, it's LED will be ON.
When the Record Setup mode is entered, each time the SELECT button is pressed it will show the status of each
Message #. Active (already recorded) messages will have their LEDs FLASH. Empty Message # LEDs will be ON.
During recording the Message # LED will be ON. When recording is stopped, the LED will go OFF.
Sommario
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HENRY ENGINEERING503 Key Vista DriveSierra Madre, CA 91024Tel: 626.355.3656Fax: 626.355.00771.0 DESCRIPTION:DigiStor II is a multi-message digital au
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4.0 OPERATION DigiStor II can be operated by either local or remote control.4.1 LOCAL OPERATON: How to record and play messages using the pushbutt
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connected to Common (P1-1). Recording will terminate when this closure is released. This mode is applicablewhen only one message needs to be recorded
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#3UP NORMAL Record mode enabled. See Section 4.2.2 for details.DN PRIORITY Record mode enabled. See Section 4.2.3 for details.RELAY MODE: Switch #
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#8UP Normal, message can be recordedDN Recording function DISABLED6.0 MEMORY TEST Use this procedure to clear the system memory of previously record
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