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Midland CT890 instruction guide
(positive direction) and press
MENU
to confirm. Press
EXIT
to
EXIT
the function.
Press
MENU + 23 + MENU
to enter the offset frequency function and
then digit the frequency deviation (5000).
Press
MENU
and then
EXIT
to exit the function.
Now the frequency shift direction and frequency offset have been set.
Frequency shift direction (SFT-D) - MENU 24
In standby mode, press
MENU + 24
. The screen will display “
SFT-D
”.
Press
MENU
to enter the function. Press the
▲/▼
buttons or rotate the
encoder to select
+/-/OFF
, then press
MENU
to confirm.
To return to the standby mode press
EXIT
.
+ (positive offset):
If the transmitting frequency is higher than the rx fre-
quency.
- (negative offset):
If the transmitting frequency is lower than the rx fre-
quency.
OFF
: frequency shift turned off.
NOTE: if the frequency offset is out of the allowed frequency band, the radio
cannot transmit. So please make sure that the frequency offset and the rx
frequency are within the allowed frequency range.
Stopwatch timer (SECOND) - MENU 25
In standby mode, press
MENU + 25
. The screen displays “
SECOND
”.
Press
MENU
to enter the function. Press the
▲/▼
buttons or rotate the
encoder to enable/disable (
ON/OFF
) the function, then press
MENU
for
confirmation. To return to the standby mode press
EXIT
.
Using the stopwatch timer:
When this function is
ON
, press ‘
#LOCK
’ to start counting; to stop
counting you can press any key.
Press ‘
#LOCK
’ again to re-start counting.
To
EXIT
the function, stop the counting first, and then press the
EXIT
but-
ton.
Channel name (CHNAME) - MENU 26
To set the channel name you have at your disposal 26 letters (A-Z) and
10 numbers (0-9). You can use up to 8 characters for the channel name.
