JETStream jt270m, User Manual, Page: 49 / 62

43
You may set any of the programmable keys to perform
the following functions:
OFF
If a shortcut key is disabled, it is not usable unless
Wireless Change Frequency is enabled. Please refer to
Page 44 for details.
FM
（
FM
）
Setting a shortcut to FM toggles the FM broadcast
radio on or off.
Band change
（
Bandchange
）
In VFO Mode, the Band Change button switches
between the last used frequencies on 136 MHz, 245
MHz, or 400 MHz.
Time of system
（
Time
）
Setting a shortcut to TIME will display the system
time. There is a built-in button cell (CR2032) which
supply power to continue timing system time when
the radio power off. Normally the button cell can use
several years, but you can change a new CR2032
when it is used out.
Note: The system time can only be set though program
software.