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MB1 User Manual
© 2016 Expert Electronics
TRANSCEIVER OPERATIONS
7.2 Frequency Tuning
Frequency tuning could be performed via several means:
Rotate the DRIVE knob clockwise to increase output power, counter clockwise to decrease
output power
· Rotating the Main Knob.
Rotate the knob clockwise to increase the tuning frequency.
Rotate the knob counter clockwise to decrease the tuning frequency.
Note:
(
When the D/I function is enabled tuning
frequency is carried out by moving the receiver filter
over the spectrum scope (stations hold their positions).
When the D/I function is disabled (by default) tuning
frequency is carried out by moving the
spectrum scope (filter holds its position).
· Rotating the MULTI 3 knob.
Rotate the knob clockwise to increase the tuning frequency.
Rotate the knob counter clockwise to decrease the tuning frequency.
Note:
(
The Main Knob controls the tuning frequency of the VFO A of the RX1 receiver.
The MULTI 3 knob controls the tuning frequency of the VFO B of the RX1 receiver.
(
In the A/B mode the Main Knob controls the tuning frequency of the VFO B of the RX1
receiver.
The MULTI 3 knob controls the tuning frequency of the VFO A of the RX1 receiver.
(
In the RX2 mode (more details in Front Panel Description, paragraph 21 ) the Main Knob
controls the tuning frequency of the VFO A of the RX2 receiver.
The MULTI 3 knob controls the tuning frequency of the VFO B of the RX2 receiver.
(
In the RX2 mode, A/B mode the Main Knob controls the tuning frequency of the VFO B of
the RX2 receiver.
The MULTI 3 knob controls the tuning frequency of the VFO A of the RX2 receiver.
· Rotating the mouse wheel.
Rollover mouse cursor on any place on the spectrum scope or waterfall and rotate the mouse
wheel forward - receivers tuning frequency will be increased with the current STEP value.
Rollover mouse cursor on any place on the spectrum scope or waterfall and rotate the mouse
wheel backward - receivers tuning frequency will be decreased with the current STEP value.
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