Lectrosonics VP300W User Manual download pdf (Page 8)

5.01.2 For best system operation, the M118 and M131SW microphones should be less than three inches from the

speaker's mouth. A distance greater than three inches will require a higher volume control setting which increases the

probability of feedback.

5.01.3 The optional M116 Microphone is recommended for lavalier use.

5.02 M30 AND M30PB BATTERY INFORMATION AND REPLACEMENT

5.02.1 M30 and M30PB Transmitters use a replacable 9 Volt alkaline battery (Eveready No. 522, Mallory MN1604 or

equivalent) which will provide approximately 15 hours of continuous operation or 20 hours of operation at a rate of 4

hours per day. While other batteries will work for awhile, they will result in inferior overall performance and their use is

not recommended.

5.02.2 As the stored energy in the battery is used up during transmitter operation, the battery voltage will start to

drop causing the transmission range to gradually decrease until total loss of reception will occur at the receiver. To

avoid interruption of a presentation due to battery failure, it is recommended that a log of operating time be kept so

that the battery can be replaced when it approaches the end of its expected life. In addition, it is wise to keep a spare

battery with the transmitter. In critical applications, play it safe and install a new battery.

5.02.3 To replace the battery in the M30 and M30PB Transmitter, perform the following procedures:

CAUTION

WHEN REPLACING THE BATTERY, USE CARE TO AVOID PLACING

UNDUE STRAIN ON THE SNAP-ON BATTERY CONNECTOR WIRES.

(a) Verify that the toggle switch on the top of the transmitter is in the OFF position.

(b) With a narrow flat-blade screwdriver remove the slotted-head screw from the transmitter cover.

(d) Remove the battery from its compartment.

(e) Use the screwdriver blade to disconnect the snap-on connector from the battery terminals.

(f) Snap the connector on a new battery and install.

(g) Replace and secure the cover.

5.03 USING THE M30 SERIES TRANSMITTER WITH THE M118 AND M116 MICROPHONES

5.03.1 Unless specified otherwise at the time of order, the M118 Microphone is furnished with the FM-AV5 Wireless

Microphone Sound System. The M118 is identified by the gold band around its base. The M118 is intended primarily

to be used for close talking hand-held operation with the microphone plugged directly into the M30 Series Transmitter.

The microphone should be kept within three inches of the speaker's mouth.

5.03.2 If desaired the M118 may be connected to the M30 Transmitter with the MC-37 cord. When connected in this

manner the M30 may be clipped to the belt, dropped in a pocket or taped to the body.

5.03.3 The optional M116 Microphone is intended for lavalier use with the FM-AV5 System. The M116 is similar in

appearance to the M118 except that it is all black. The M116 is used with the C-20 lavalier clip and connected to the

M30 Transmitter with the MC-37 cord. The M116 should be clipped to the clothing about six inches from the speaker's

mouth.

5.03.4 When using the M30 Transmitter, operate the toggle switch to the ON position. The green lamp will light on the

R300 receiver module indicating that the transmitter is sending a signal. When using the M30PB Transmitter, the

spring-loaded toggle switch must be held in the ON position while transmitting.

5.03.5 When not in use, disconnect the MC-37 cord from the microphone and transmitter. Store the cord in a loose

coil and avoid sharp bends at the junction of the cord and the plugs.

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Lectrosonics VP300W User Manual Page 8