ENGLISH
7
Guided Tour - CT7
11
9
10
7
8
7: Attenuation switch - The CT7 transmitter features a signal Attenuation switch that is used
to select the input level of “0dB” or “-15dB”. This Attenuation switch has been factory preset to
“0dB” providing the optimum level for most microphone and instrument input signals. If you are
using a microphone or instrument with a high output signal, first try to adjust the Gain control as
described in the following section. If you cannot attenuate the signal low enough using the Gain
control, use the supplied plastic screwdriver (see #8 below) to turn the rotary Attenuation switch
to the counter-clockwise position setting the CT7 to “-15dB” level.
8: Audio Input Level control (trimpot) - This input sensitivity control has been factory preset to
provide optimum level for the particular lavalier, headset or for optimum instrument level, so we
recommend that this not be adjusted manually. If necessary, however, you can use the supplied
plastic screwdriver (see #10 below) to raise or lower the CT7 input level. See the “Setting Up and
Using the Concert Series System” section on page 9 in this manual for more information.
9: Battery holder - Insert a standard 9-volt alkaline battery here, being sure to observe the
plus and minus polarity markings shown. We recommend the Duracell MN 1604 type battery.
Although rechargeable Ni-Cad batteries can be used, they do not supply adequate current for
more than four hours. WARNING: Do not insert the battery backwards; doing so can cause
severe damage to the CT7 and will void your warranty.
10: Power on-off switch* - Use this to turn the CT7 on or off (to conserve battery power, be sure
to leave it off when not in use).
11: Plastic screwdriver - Specially designed for use in adjusting the CT7 Audio Input Level
control (see #8 above) and/or CR77 Squelch control (see #7 on page 3). See the “Setting Up and
Using the Concert Series System” section on page 9 in this manual for more information.
* Be sure to mute the audio signal at your external mixer or amplifier before turning transmitter power
on or off, or an audible pop may result.
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