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MB1 User Manual
© 2016 Expert Electronics
REAR PANEL DESCRIPTION
1) HF1-HF4 - HF antenna connectors.
Connect receiving and transmitting HF antennas to the HF1-HF4 connectors
.
The antennas'
impedance should be 50 Ohm
.
You can select each of the antenna connectors using the ANT button on the front panel of
the transceiver when in HF mode (more details in
).
Note:
(
Using an Antenna impedance
different from 50 Ohm may lead to deterioration
of the
receiving capabilities of the transceiver
and degradation
of the quality of the transmitted
signal.
2) VHF1-VHF2 - VHF antenna connectors.
Connect receiving and transmitting VHF antennas to the VHF1-VHF connectors. The antennas'
impedance should be 50 Ohm.
You can select each of the antenna connectors using the ANT button
on the front panel of the
transceiver when in VHF mode (more details in
).
Note:
(
Using an Antenna impedance
different from 50 Ohm may lead to deterioration
of the
receiving capabilities of the transceiver
and degradation
of the quality of the transmitted
signal.
3) G ND - Grounding/Earth terminal.
Use the G ND terminal for grounding the transceiver.
At t ent ion!
i
To eliminat e t he risk of elect ric shock, reliable grounding of t ransceiver is
required!
4) PA PTT 1-4 - PTT keys for external Power Amplifiers switching in TX mode.
Connect an external Power Amplifier to one of the PA PTT keys to allow the transceiver to
switch the PA to transmitting mode (more details in
).
5) ALC - Automatic Level Control.
Connect to the ALC output of the Power Amplifier for automatic control of the transceiver
output power.
Input voltage range 0...-4 V.
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