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14
VHF255S CONTROLS - MICROPHONE HANDSET
The following drawing shows the Humminbird® VHF255S controls located on the
microphone handset:
Channel Up/Down: Use these keys to change channels, as well as to change values
while editing settings.
16/9: Press and release the 16/9 key to select Channel 16 first; further presses of the
16/9 key toggles between Channel 16 and the previous channel. Pressing and holding
the 16/9 key will take you to Channel 9. Further presses will take you back to toggling
between Channel 16 and the previous channel. Press the 16/9 key at any time as a quick
way to exit all menus and return to Normal mode, Channel 16.
HI/LO: Use this dual function key to toggle between 25 Watt power output and 1 Watt
output. “HI” or “LO” icon appears on LCD display to indicate setting.
PTT (Push-To-Talk): Push and hold the Push To Talk (PTT) key while speaking and
release this key to listen to incoming transmissions.
DSC/MENU: Use this dual function key to view the DSC Call List or enter the Setup
Menu. The DSC Call List is used for making DSC Calls. The Setup Menu is used to
change the radio settings.
HI/LO
Channel Up/Down
PTT
16/9
DSC/MENU