AnyTone AT-318UV, Инструкция по эксплуатации

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Keypad lock
In order to prevent wrong operation, user can make use of keypad lock function.
Under standby state, press
key, the top left corner of LCD displays " " icon,
then press and hold key until transceiver emits "DU" beep, LCD displays " "
icon, keypad is locked. Repeat above operation, " " icon disappears, key lock function is cancelled.
BASIC OPERATIONS
3. When current group displays " EMPTY ", press key, the top left corner of
LCD displays " " icon, press and hold key until transceiver emits "DU"
beep, transceiver enters into DTMF edit state, LCD displays "___________",
now you can enter desired DTMF data by keypad.
4. When finished editing, press side key [PF2] to save DTMF signaling.
Single-band Switching
To avoid interference from the sub channels when main channel in use, you can
use the single band switching function to turn off sub channel band quickly.
1. In standby mode, press
key then press key, the radio will display the
upper band, the lower band will be turned off.
2. Repeat above operation, the radio will display the lower band, the upper band
will be turned off.
3. Repeat above operation to return to dual band display.