Wayne 4310 - Switching the Instrument on; Contrast Adjustment; Switching the Instrument off; The Soft Keys

Operation 4–6
4.2.1 Switching the Instrument ON
With the instrument connected to the AC power supply (see section 3—Installation) press the
POWER switch. The power indicator will light and the instrument will display the mode and
settings selected when the instrument was last switched off (the exception is Bias which, for
safety reasons, is always OFF when the instrument is powered up).
4.2.2 Contrast adjustment
The brightness of the Liquid Crystal Display can be adjusted by pressing two keys on the front
panel. The Units key will increase the brightness and the 9 key will reduce the brightness.
4.2.3 Switching the Instrument OFF
The power can be switched OFF at any time without damage to the instrument, but to avoid
losing trim and calibration data, the instrument should be switched OFF when it is in a
quiescent state rather than when it is running a routine, e.g. trimming or data entry.
4.2.4 The Soft Keys
The functions of the five soft keys change according to the mode selected. In addition, they are
disabled sometimes when various selection pages are being used.
Figure 4-3 The Soft Keys
Soft Keys