3 Status LED:
Indicates battery status.
LED flashes momentarily upon switching
ON and extinguishes: battery is OK.
LED lights constantly: battery will be
dead in about 60 minutes.
4 Input Gain:
This rotary pot sets the
sensitivity of the transmitter module’s
audio section.
5 Charging contacts
for charging a
rechargeable battery inside the bat-
tery compartment using the optional
CU 40 charger.
6 Contacts:
The contacts at the upper
end of the transmitter module will auto-
matically establish all electrical connec-
tions to the microphone.
10
Fig. 1: TM 40 controls.
2.5 Controls
(Refer to fig. 1)
1 ON/MUTE/OFF:
This slide switch
provides three positions:
ON:
Power to the transmitter module
is on.
M:
The signal delivered by the micro-
phone is muted while power and the
RF carrier frequency remain on. This
prevents the receiver from respond-
ing to interference from other trans-
mitters.
OFF:
Power to the transmitter mod-
ule is off.
2 Battery compartment
for one 1.5-V
AAA size battery (supplied).
The color of the battery compart-
ment cover indicates the carrier fre-
quency of your transmitter module:
See Manual Supplement
2667_03_TM40-Hex 13.10.2003 11:19 Uhr Seite 10