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MB1 User Manual
© 2016 Expert Electronics
TRANSCEIVER OPERATIONS
7.45 EXT CTRL Configuration
MB1 transceiver allows you to control external devices via the keys with open collector.
In the Key's chain could be connected relay or other executive element, which will enabled/
disabled depends on the selected band and/or RX/TX mode.
To start using the keys:
1. Open the Opt ions-> Device menu-> Ext Ct rl tab.
2. Set the Enable checkbox to activate keys functionality.
3. Set the checkboxes for the required bands apposite the corresponding keys.
Note:
(
With the help of the keys, you may control relays, antenna switch, band filters, band-
decoders, transverters, power amplifiers etc.
(
On the picture below you can see an example of using the keys in the 160M, 80M and 40M
bands for both RX and TX modes.
While working on the 160M band in the RX mode, #1 key is enabled, if turn to TX mode, #1
key is still active.
While turning on 80M band, #2 key will be enabled (#1 key will be disabled), it is active in both
RX and TX modes.
While turning on 40M band, #3 key will be enabled (#2 key will be disabled), it is active in both
RX and TX modes.
Connect the relays to these keys, you may create an additional antenna switch, band filters
switch, PA band switch etc.
(
GEN band can be enabled when the tuned frequency is beyond amateur bands frequencies.
