GE Ultrasonic USM Go, Operator'S Manual

Page: 97 / 190

Chapter 3. Making Measurements
USM Go Operator’s Manual 79
3.4 Locking the Gain Toggle and the Joystick
The gain toggle can be locked so that pressing it has no effect on the instrument.
1. In the
SETUP
menu, activate the
CONFIG2
submenu using the joystick ( ).
2. Use the joystick ( ) to select the function titled dB STEP . Press the center of the joystick ( ) to activate the function.
3. Move the joystick left or right ( ) to change the value of
dB STEP
until the word
LOCK
appears as the
dB STEP
value. The gain
toggle is now locked.
4. To unlock the gain toggle, change the setting of
dB STEP
to any value other than
LOCK
.
5. After making your choice, press the center of the joystick ( ) to deactivate the function.
Joystick operation is disabled by assigning either FUNCTION1 or FUNCTION2 to a value of JOYSTICK LOCK , then pressing that end of
the Function Toggle . When the joystick is locked, the Lock icon (see Figure 6 on page 17 ) appears on the display. To unlock the joystick,
simply press the assigned end of the Function Toggle a second time.
IMPORTANT:
When the joystick is locked, the center-press function still works.