Table 2-1. Keys And Functions - Thermo Scientific TVA2020 Instruction Manual

Hardware and Startup
Instrument Sidepack Keypad
2-8 TVA2020 Instruction Manual
Table 2–1. Keys and Functions
Key
ON The ON key enables power from the battery to the instrument.
OFF The OFF key disables power from the battery to the instrument.
CONTROL The CONTROL key is multi-function and is used to turn the pump, PID,
and FID, Bluetooth and GPS on or off, and to ignite the FID.
Note: Value displayed is opposite of existing status. If pump displays
"OFF", you would press the 1 key to turn it off.
EXIT The EXIT key clears any entry made in error or bypasses information
that you do not want to change, and clears error or warning screens.
ENTER The ENTER key has three functions:
Left/Right Arrows The left and right arrow keys move character entry positions.
Up/Down Arrows The up and down arrow keys make page selections or scroll through
options in SETUP entry screens and info screen.
Alphanumeric The alphanumeric keys enable you to type letters or numbers into
various menus. If a display asks for a number only, simply press the
desired key. Two steps are required to type an alphanumeric character.
First, press the key with the desired letter or number. The screen then
displays a selection prompt at the bottom in which 1 = first letter, 2 =
second letter, 3 = third letter, and 0 = number. Press the appropriate
key to execute the selection. Three uses:
Function
1. Press ENTER if you have typed one or more characters and
wish to keep that information.
2. Press ENTER to respond to a menu question.
3. Press ENTER instead of entering the logging mode from the
enhanced probe to initiate logging.

Select menu options

Enter numbers, 0-9, using single keystroke

Enter alphanumeric data, A-Z, 0-9, SPACE, using 2
keystrokes per character
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