TeeJet LH 4000 - Manual (Page 7)

LH 4000 O PERATORS MANUAL
LH A GRO 7
CONTRAST
Adjustment of screen contrast. Can be useful when
working under dark or sunny conditions.
NOTE! The screen may go dark in extreme hot or
cold conditions. The display will return to
normal when the working temperature of the
monitor is back to normal.
To adjust the screen contrast; Use the +/- keys.
MEMORY-KEY
If you want an instant return to any screen, press this
key before you scroll to another screen. The memo-
key allows for instant return to the memorised
screen.
TANK-FILL CONTROL
This key activates the "FILL" feature, which is
detailed later in this manual.
CLEAR-KEY
Only active in conjunction with encoding. Will erase
any incorrectly entered figure.
SCREEN LIGHT
Switches the back-light on and off.
NUMERIC KEYS
Only active when encoding values, or when
simulating forward speed.