COMTEK BST 25-216 - Manual (Page 6)

Page 5
a. Ensure that the audio source has been optimized for
best signal-to-noise ratio.
b. The “MIC/LINE” switch located at the back of the
transmitter should be switched to the appropriate setting:
"MIC" for mic level or weak line level input; “LINE” level
for line level input.
c. The “LEVEL” control on the back of the base station
should be set fully counterclockwise and then, while normal
program information is present, slowly rotate the “LEVEL”
control clockwise until the VU meter on the front panel
begins to deflect. Adjustment should be made so that
normal speech or music deflects the meter mid-scale. Only
very loud speech or music should deflect the VU meter
full-scale.
Frequency Selection
The BST 25-216 MHz base station transmitter can operate on
60 channels between 216 MHz and 217 MHz. Channels 1-40
are narrow-band channels for use with the Phonak microEar
receiver with 5 KHz deviation. Channels 41-60 are wide-
band channels for use with COMTEK PR-216 receiver with
10 KHz deviation. The PR-216 will tune the Phonak
microEar channels 1-40 but with lesser fidelity. Refer to
page 10 for Channel/Frequency Chart.
Multiple Channel Operation
Simultaneous operation of more than two channels requires
coordination of the frequencies that are used to avoid
intermodulation interference.
IMPOR
TANT