Midian VM-3-SM1 Bedienungsanleitung

VM-3-SM1

Speaker Microphone with Voice Storage

Manual Revision: 2012-04-20

Covers Software Revisions:

VS-1XXX: 01.53.00 & Higher

HARDWARE SPECIFICATIONS

Operating Voltage 3.5-8.0 VDC

Operating Current:

Power Save Mode (VOX Operation) 9 mA typical

Normal Operation - TX 14 mA typical

Normal Operation – RX 75 mA typical

Average w/VOX Power Save (80-10-10 cycle) 16 mA

Average w/VOX Power Save (90-5-5 cycle) 12.5 mA

Operating Temperature -30 - +60 C

Frequency Response 300-3000 Hz

Input Impedance >33 

Input Level (RX) 0.05-2.5 VPP

INSTALLATION OVERVIEW

1. Test the radio for functionality.

2. Program the unit per the Product Programming Section of this manual.

3. Install the unit into the radio per the Hardware Installation Section of this manual.

*** Midian is not responsible for any damage/loss resulting from the use of Midian’s products.

GENERAL INFORMATION

Midian’s VM-3 is a voice storage speaker microphone for use in two-way radios. The VM-3 can record

approximately 3 minutes of voice messages. Recording of voice messages occurs when the unit detects VOX. A

button on the radio can then be used to play back what was recorded.

In addition to the long recording time, one of the main benefits of the VM-3 voice storage module is that the

recording blocks are not set in stone like most other voice storage modules. If the radio transmission is only 5

seconds in length the recording block only uses 5 seconds of the 180 seconds. Some competitive units have

recording blocks of 30 seconds. If the recording is 5 seconds the other 25 seconds are lost, thus greatly reducing

the actual total recording time.

HARDWARE INSTALLATION

Be certain to follow standard anti-static procedures when handling any of Midian’s products.

J1 – RJ-48 10-Pin Connector:

J1:1 – Program In: The KL-4 Option B must be plugged in to access this pin for programming.

J1:2 – PL DIS: Future use.

J1:3 – MIC: Connect to the MIC+ connection on the radio’s external mic connector

J1:4 – Ground: Connect to a ground connection on the radio’s external mic connector.

J1:5 – COR/LTR: Future use.

J1:6– B+ (+3.5-8.0 VDC): This connection is only needed if not using the internal battery of the SM1. Connect to

B+ (3.5-8.0 VDC) connection on the radio’s external mic connector. If connecting to a mobile this must be

specified when ordering or you must install a 6.2 V Zener diode at D1, connect to a regulated voltage point in a

vehicular radio if engine noise is present on the battery line. With D1 installed, the voltage input could be as high

as 15 VDC (nominal is 13.5 VDC).

J1:7 – PTT: Connect to a PTT connection on the radio’s external mic connector used to key the radio. Some

radios look for a resistance on the microphone input to trigger PTT, R-50 in the SM-1 is used for this purpose and

will need to be picked on an individual radio basis.

J1:8 – SPK Ground (SPK-): If connecting to a radio with a double ended speaker, then connect this line to the

negative side of the speaker connection on the external mic connector. If connecting to a radio with a single

ended common ground speaker, this line is not connected.

J1:9 – SPK Hi (SPK+): Connect this line to the positive side of the speaker connection on the external mic

connector.

J1:10 – Program Out: The KL-4 Option B must be plugged in to access this pin for programming.

J2 – 3.5 mm Stereo Connector:

The 3.5 mm stereo connector on the SM1 is a dual purpose connector; charging and audio. The tip is 6V for

charging, ring is Speaker + and sleeve is ground. Use only Midian supplied wall power adaptors and audio

accessories for use with the SM1.

Charging: To charge the unit, plug the Midian supplied wall power adaptor into an outlet and then plug the 3.5

mm plug into the 3.5 connector on the unit. When the LED is glowing green the unit is charging. When the LED is

not lit then it is done charging. When the unit is in need of a charge the unit will emit a descending series of tones

to indicate low battery.

Audio: The 3.5 mm connector can be used as an audio accessory port (i.e. ear bud). The connections should be

ring as Speaker + and Sleeve as ground. Not using a Midian supplied audio accessory could result in damage to

the unit.

PRODUCT PROGRAMMING

Midian’s SM-1 products are programmed via Midian’s KL-4 and KL-4 Option B. Please reference the KL-4 manual

for setup instructions of the programming software and hardware. From the product selection screen in the

software, select the VM-3-SM1 from the list and click OK.

Set the parameters of the software to fit the application. If any clarifications on a feature are required, move the

mouse cursor over the feature name until the question mark appears and right click, a definition of the feature will

be shown.

After entering the parameters, save the file by going to File - Save As. Enter the file name in the File Name block

and click Save. Saving the file will allow for quick and easy reprogramming of units.

Plug the KL-4 Option B cable from the KL-4 connector labeled “VPU-12A” into the RJ-48 connector on the unit.

Push the power button on the KL-4 and within 15 seconds select Program Unit or Read Unit in the software. Upon

power up, the unit will be awake for 15 seconds before going into Power Save mode.

After programming or reading the unit, turn off the unit for 3 seconds and then turn back on.

Store on COR/Store on VOX: Note: If connecting to a portable radio then VOX will most likely have to be used,

as most portable radios do not provide a COR indication. Select the appropriate method that the unit should use

to come out of power save.

COR Hold-Up Time This is the amount of time after loss of COR/VOX that the unit considers COR/VOX dropped.

VOX Settings > Sensitivity: This is a threshold detection based on the energy level in the audio.

VOX Settings > Attack Time: This sets the minimum time before the unit will detect VOX based on the sensitivity

setting.

VOX Settings > Decay Time: This sets the time before the unit will drop the VOX detection. Be certain to set this

long enough so that you do not have drop outs between words or on brief pauses.

Beep Options > Power Up: Enables a short beep sequence that takes place immediately after power-up.

Beep Options > Error: This beep may be triggered by any input event if programmed to do so. For example, if a

long press on the Mode Input is not assigned to a function, it may be configured to generate the error beep.

Beep Options > Mode: This is used to indicate to the user when a mode has been enabled or disabled.

Voice Compression: If checked the VM-3 can store up to 3-minutes of voice. If left unchecked the VM-3 can

store up to 2.25 minutes of voice, but with a higher level of audio quality.

Enable Call LED: Not used in this product.

Receiver Stops Playback: Unless this box is checked, transmissions received off the air will not be heard while

the unit is in playback mode. If this box is checked, playback mode will be stopped when COR (or VOX) becomes

active so that receiver audio can be heard. The message playing at the time playback is stopped will not be

erased.

PTT Stops Record Mode: If this box is checked, pressing PTT will cause record mode to be stopped. Otherwise,

pressing PTT will suspend record mode during the time PTT is pressed and resume record mode when it is

released.

These fields set how the switch is used (short press, long press or double press) and for which function (record

start or stop, playback start or stop, etc.).

COR > Active Polarity: This sets whether the unit looks for an active low or active high to start recording the

received audio.

COR > Debounce: If checked the unit will require a continuous active state for 30 msec before accepting the

COR.

PTT > Active Polarity: This sets the polarity necessary for the unit to assert the PTT of the radio.

These fields set how the switch is used (short press, long press or double press) and for which function (record

start or stop, playback start or stop, etc.).

Tones > Beep Volume: Adjust the slider for the desired beep volume. This level is expressed as a percentage of

max voice audio level.

Playback Level: This sets the volume level of the recorded voice to the radio’s speaker.

Transmit Level: Not used in this product.

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