11
In frequency (VFO) mode, turn the selector
knob clockwise to increase frequency;
counterclockwise to decrease frequency. Every
click will increase or decrease frequency by
one step. To adjust the Main band frequency,
press corresponding selector knob, the left
side of decimal point will flash. In this status,
turn the selector knob to increase or decrease
frequency quickly by 1 MHz steps.
ADjUSTinG FREqUEncY ThRoUGh SElEcToR knoB
inpUT FREqUEncY ThRoUGh MicRophonE nUMBER kEY
In standby, press corresponding key to
switch between frequency and channel mode;
when the transceiver is in channel mode, the
LCD will display current channel.
5
Basic Operations
powER on
Press
key to switch the transceiver ON,
the LCD displays "
WELCOME dB-750X
", then
displays current frequency or channel.
powER oFF
Press key for 1 second to switch the transceiver OFF.
Rotate the [
VOLUME
] knob of selected
band clockwise to increase the volume,
counterclockwise to decrease the volume.
SwiTchinG ThE powER on/oFF
ADjUSTinG ThE VolUME
SwiTch BETwEEn VFo AnD chAnnEl MoDE
ADjUSTinG FREqUEncY
To adjust the volume when no signal is present hold
, keep pressing it
and adjust the [
VOLUME
] knob to desired level and release when done.
The microphone
[
UP/DOWN
]
key is also able to adjust frequency.
Pressing
[
UP/DOWN
]
key will increase(decrease) the frequency by one
step size. Hold
[
UP/DOWN
]
key to adjust the frequency continuously.
When the band lockout function is on, the input or adjusting of frequency
is limited to within the current VFO band. The right band is limited to
136-174 MHz and 400-490 MHz.
In VFO mode, you can input the frequency from the microphone
numeric keys. It is invalid to input frequency out of the frequency band.
For example:
to input 150.125 MHz, press 1, 5, 0, 1, 2, 5.
to input 152 MHz, press1, 5, 2,
.
ADjUSTinG chAnnEl
ADjUSTinG chAnnEl ThRoUGh SElEcToR knoB
In channel mode, you can adjust the channel directly by the channel
knob. Turn clockwise to increase one channel; turn counterclockwise
to decrease one channel.To adjust the main band channel, press
NOTE
NOTE
NOTE
Decrease frequency Increase frequency
VOL
HM
SCN
VOL
HM
SCN
Min
Volume
Max
Volume
VOL
HM
SCN
Power
