LOCK FeatureTo activate the locking feature, press and hold in the [ (L)]key for one second. The “ ” icon will appear on the LCD.To cancel locking, press and hold in the [ (L)] key againfor one second.In order to prevent accidental frequency change or inadvertent transmission, variousaspects of the FT-2980R’s keys and knob may be locked out.To lock out some or all of the keys, use the “Set” (Menu) mode, described below:1. Press and hold in the [MHz(SET)] key for one second,then rotate the DIAL knob to select “26 LOCK”.2. Press the [MHz(SET)] key, then rotate the DIAL knob toselect the desired lockout combination.KEY: Just the front panel keys are locked out.DIAL: Just the front panel DIAL knob is locked out.K+D: Both the keys and DIAL knob are locked out.PTT: The PTT switch is locked (TX not possible).K+P: Both keys and PTT switch are locked out.D+P: Both DIAL knob and PTT switch are locked out.ALL: All of the above are locked out.3. Press and hold in the [MHz(SET)] key for one second to save the new setting andexit to normal operation.Keyboard BeeperA key/button beeper provides useful audible feedback whenever a key/button is pressed.If you want to turn the beeper off (or back on again):1. Press and hold in the [MHz(SET)] key for one second,then rotate the DIAL knob to select “6 BEEP”.2. Press the [MHz(SET)] key, then rotate the DIAL knob toset the display to “OFF”.3. Press and hold in the [MHz(SET)] key for one second tosave your new setting and exit to normal operation.4. To turn the beep back on again, select “KEY” or “KY+SCN(factory default)” in step 4 above.KEY: The beeper sounds when you press the keypad.KY+SCN: The beeper sounds when you press the keypad, or when the scannerstops.17Advanced OperationFT-2980R Operating Manual