3811 OPERATOR CONVENIENCES• The following keys cannot be locked:[LAMP], [MONI], [SQL], [PTT], [F] (1 s),[ ] (POWER) and [F] then [LAMP].2 Press [F] (1 s) to unlock the keys.Note:uThe Tuning control is also locked. To unlock the Tuning controlwhile the Lock function is ON, access Menu No. 7 (TUNEENABLE) and select “ON”.uYou cannot perform the Microprocessor reset {page 50} while theLock function is ON.uMicrophone PF keys {below} work even if the Lock function isON.TUNE ENABLEEven if the Lock function is ON, you sometimes maywant to turn the Tuning control to change thefrequency. In this case, turn the Tune Enablefunction ON.1 Press [MNU].2 Turn the Tuning control or press [ ]/ [ ] to selectMenu No. 7 (TUNE ENABLE).3 Press [ ] or [MNU].4 Turn the Tuning control or press [ ]/ [ ] to select“ON”.5 Press [ ] or [MNU] to store the setting.Otherwise, press [ ] or [PTT] to cancel.MICROPHONE PF KEYS (OPTIONAL)If you have an optional SMC-33 or SMC-34 speakermicrophone, you can access many transceiversettings without using transceiver keys or controls.The 1, 2, and 3 keys located on the top of themicrophone are programmable with the transceiverkey (or key combination) functions. The defaultassignments are as follows.Mic [1]: A/BMic [2]: VFO/ MRMic [3]: CALL (TH-F6A)/ 1750 Hz (TH-F7E)Note:uTurn the transceiver OFF before connecting the optional speakermicrophone.uIf the LOCK switch on the rear of the microphone is ON, youmust move the switch to the OFF position to program the keys.1 Press one of the following key combinations to re-program the keys on the speaker microphone.• Press Mic [1]+[ ] (POWER) to re-program Mic [1]• Press Mic [2]+[ ] (POWER) to re-program Mic [2]• Press Mic [3]+[ ] (POWER) to re-program Mic [3]2 Press a key or key combination you want toassign to the function key.The default step size for the amateur radio bands areas follows.dnaB oidaRruetamAdnaB A6F-HT E7F-HTdnab-Am2 zHk5 zHk5.21m52.1 zHk02 —mc07 zHk52 zHk52dnab-Bm2 zHk5 zHk5.21m52.1 zHk02 zHk5.21mc07 zHk52 zHk52mc32 zHk52 zHk52For the B-band, refer to pages 33 and 34 for thedefault frequency step size in the various frequencybands. The transceiver stores the frequency stepsize parameter for each band independently. You canalso further fine tune the frequency in LSB, USB, AM,and CW modes on the B-band {page 34}.To change the frequency step size:1 Press [F], [FINE].• The current frequency step size appears.2 Turn the Tuning control or press [ ]/ [ ] to selectyour desired frequency step size.3 Press [ ] or [MNU] to store the setting.Otherwise, press [ ] or [PTT] to cancel.Note: If you change to a frequency step size that does not match thecurrent operating frequency, the transceiver automatically adjusts thefrequency to match the new frequency step size.LAMPTo illuminate the transceiver:Press [LAMP].• Approximately 5 seconds after releasing [LAMP],the light goes OFF if no other key is pressed.• Pressing any key, including [PTT] other than[LAMP] while the display is lit, restarts the5-second timer.• Pressing [LAMP] turns the light OFF immediately.To keep the light ON continuously:Press [F], [LAMP].• The light remains ON until you press [F], [LAMP]again.LOCK FUNCTIONThe lock function disables most of the keys to preventyou from accidentally activating a function.1 Press [F] (1 s).• “ ” appears when this function is ON.