Vertex Standard FT-857 manual Receiver Accessories, Locking Front Panel Controls

RECEIVER ACCESSORIES

LOCKING FRONT PANEL CONTROLS

The front panel LOCK button allows you to disable the DIAL and/or the front panel con- trols.

[ LOCK ]

In the transceiver’s default configuration,

pressing the [LOCK] button disables just the DIAL, while the other keys and switches are unaffected. To lock out the remainder of the controls and the SELECT knob, use Menu Mode No-054[LOCK MODE]:

1.Press and hold in the [FUNC] key for one second to enter the Menu mode.

2.Rotate the SELECT knob to recall Menu Mode No-001[EXT MENU], then rotate the DIAL to change the setting to “ON” to enable the extended Menu Mode.

3.Rotate the SELECT knob so as to recall No-054[LOCK MODE].

4.Rotate the DIAL to select the desired configuration: DIAL: Locks DIAL knob only.

FREQ: Locks front panel keys and knobs related to frequency control (such as BAND(DWN) and BAND(UP) key, [A](A/B) key., etc.).

PANEL: Locks all front panel keys and knobs (except POWER and [LOCK] keys).

ALL: Locks all front panel keys and knobs (except POWER and [LOCK] keys) and locks the microphone keys.

5.When you have made your selection, press and hold in the [FUNC] key for one second to save the new setting and exit to normal operation.

When the controls are locked out (small “ ” icon will appear at the bottom right-hand corner of the LCD), press the LOCK button once more to release them to normal operation.

38 FT-857 Operating Manual