
Section 4–14
TW7000 SERIES HF TRANSCEIVER section 4
Note: If the RAT1000C is being used with an older version of radio, then the radio must have 701BC firmware
or higher (radio) and 312C firmware or higher (ALE Card). If the radio doesn’t have these revisions of
firmware, then the P/N 701-312-UPD
kit must be ordered for the radio.
Note: Since the TW7000 is a +12Vdc model radio, the RAT1000P-110 (RAT1000P-220) must be used in a
500W or 1000W system with the tuner to provide the +28Vdc for the tuner. See description of RAT1000P-110
(RAT1000P-220) and the system drawings for more detail.
6. Audio Devices
For connection to the transceiver or remote control console and used for the transmission and reception of baseband
audio signals. Supplied with connectors for TW7000.
a. DM
b. PM
c. HP
d. EP
e. EPL
f. KEY
DM
Dynamic desk microphone.
PM
Heavy-duty hand microphone.
HP
Headphones, twin.
EP
Headphones.
EPL
Lightweight headphones.
KEY
Morse key.
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