CT690 user’s manual
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Channel A Display Mode (MDF-A) - MENU No.21
This function is used to set the display mode of channel A.
Display modes:
FREQ.:
Fre channel No.
CH:
Channel number
NAME:
Channel name
Note: Channel name mode must be set by the programming software. Up to three
numbers or characters can be edited.
Channel B Display Mode (MDF-B) - MENU No.22
This function is used to set the display mode of channel B.
Display modes:
FREQ.:
Fre channel No.
CH:
Channel number
NAME:
Channel name
Note: Channel name mode must be set by the programming software. Up to three
numbers or characters can be edited.
Busy Channel Lock (BCL) - MENU No. 23
When this function is on, it may prevent other radios’ interference. If the se-
lected channel is being used by other radios, when you press key
PTT
, your
radio cannot transmit.
It can transmit only when the channel is no longer busy .
Auto Keypad Lock (AUTOLK) - MENU No.24
When this feature is activated, the keypad will be automatically locked after
15s; this prevents accidental pressure of any keys .
Shift direction (SFT-D) - MENU No.25
Using this function, you may set the deviation between the rx and tx frequency.
This function is particularly used for repeaters.
You have the following options:
Transmitting frequency is higher
than receiving frequency (+);
Transmitting frequency is lower
than receiving frequency (-);
OFF
Note: you should set different frequency deviation according to the repeaters se-
lected. This function is not enabled in channel mode.
