Instrument Sidepack Keypad; Figure 2-3. Keypad - Thermo Scientific TVA2020 Instruction Manual

Hardware and Startup

Instrument Sidepack Keypad

Instrument
The keypad, as shown in Figure 2–3, has 19 keys, some of which are dual
function. When you press a key, the screen displays the selection. When
Sidepack
you make a selection that creates or changes a parameter, you must then
Keypad
press the ENTER key. The left/right arrow keys move the character entry
position. The up/down keys make page selections or switch from ppm or
% to another reading. Table 2–1 shows the functions of all keys.
Figure 2–3. Keypad
Note To turn the instrument ON, press and hold the on ON key until the
speaker sounds and display flashes. ▲
Note To activate OFF, CONTROL, EXIT, and ENTER functions, press
and HOLD the key for approximately 1/2 second. ▲
Thermo Fisher Scientific TVA2020 Instruction Manual 2-7