CT590 user’s manual
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Alarm Mode (AL-MOD) - MENU No.32
This function can set the tone alarm/code alarm/site alarm of the radio.
Keep pressed the
CALL
button for 3 seconds to start the alarm tone.
The following three options can be selected:
SITE ALARM
: the speaker emits an alarm tone but the radio doesn’t tra-
smit;
TONE ALARM
: the speaker emits an alarm tone and the radio transmits it;
CODE ALARM
: the speaker emits an alarm tone and the radio transmits it
followed by ANI-ID code.
Frequency band (BAND) - Menu No.33
In frequency mode, push the
BAND
button to choose the desired frequency
band.
VHF
: 144 - 146MHz
UHF
: 430 - 440MHz
Dual Watch (TDR-AB) - Menu No.34
When this function is on, you may receive signals of A/B channel or frequency.
It can also be used for cross band receiving and transmitting.
You can choose amongst the following settings:
OFF
: CT590 can receive in both
VFO
(not simultaneously);
▲
or
▼
will blink
on the transmitting frequency band
A
:
the radio can receive in both VFO (not simultaneously) but can transmit
in
VFO A
only.
B
:
CT590 can receive in both VFO (not simultaneously) but can transmit
in
VFO B
only.
If you choose option A
, it means that 465.575MHz is the tx frequency band,
while 136.225MHz is the rx frequency band; the upper VFO shows 465.575
MHz while in the lower VFO 136.225MHz will be displayed; you can receive
on both 465.575 MHz and 136.225 MHz, but can transmit on 465.575 MHz
only.
While
if you choose option B
, 136.225MHz is the tx frequency band and
465.575MHz is the rx frequency band. In the upper VFO 465.575 MHz will
be displayed while the lower VFO will show 136.225 MHz; you can receive on
both 465.575 MHz and 136.225 MHz, but transmit on 136.225 MHz only.
Example: the LCD displays
VOX
400.875
136.225
460.1253
151.2354
465.575
136.225
Содержание CT590
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