Before operation – Kenwood TH-31A User Manual
Page 2
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Before operation
•
Ensure the supplied whip
antenna
is
securely
tight
ened.
•
The trimmers and cores in
side the unit are factory ad
justed. Do not touch them.
•
Should the unit require ser
vice,
contact
your
author
ized dealer.
This Instruction Manual covers the following models:
Illustrations show the TH-41 BT.
TH-41A 430/440 MHz FM transceiver
TH-41 BT
430/440 MHz FM transceiver with DTMF
TH-41 E
430/440 MHz FM transceiver with 1750 Hz tone
TH-31A 220 MHz FM transceiver
TH-31 BT 220 MHz FM transceiver with DTMF
TH-21A 144 MHz FM transceiver
TH-21 BT
144 MHz FM transceiver with DTMF
TH-21 E
144 MHz FM transceiver with 1 750 Hz tone