Lectrosonics MM400c User Manual download pdf (Page 10)

MM400C

LECTROSONICS, INC.

WARNING: Do not open battery compartment

if unit is wet. Read “Preventing Internal

Corrosion” on page 8 before proceeding.

The transmitter is powered by a standard lithium, NiMH

oralkalineAA1.5voltbattery.Thebatterystatus

circuitry is designed for the voltage drop over the life of

lithiumbatteries.WhileNiMHrechargeablebatteries

willwork,theyrundownquiteabruptly.Becauseofthis,

usingthePWRLEDtoverifybatterystatusnotreliable

with NiMH batteries. It is possible to track battery status

usingtheBatteryTimerfunctionavailableinanum-

ber of Lectrosonics receivers. (Refer to your receiver

manual to determine if this function is available.

Alkalinebatteriesprovideabout1.75hoursofoperation

with some warning. Lithium batteries can be used to

provide over 6 hours of operation and provide about 30

minutes of warning as the LED turns red.

Note:Standardzinc-carbonbatteriesmarked

“heavy-duty” or “long-lasting” are not adequate.

To access the battery compartment, unscrew and

removetheBatteryCompartmentCover.Takenoteof

the polarity marked on the battery case showing the

locationofthepositive(+)andnegative(-)terminals.

Thepositive(+)batteryterminalgoesintothetransmit-

terrst.ScrewtheBatteryCompartmentCoverback

into the transmitter body. If the battery is inserted incor-

rectly, the cover will not screw in easily and the unit will

not work.

Battery Installation

Battery Compartment

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Lectrosonics MM400c User Manual Page 10