Technical Manual
Page 15
CODEL
Issue : B
Rev. : 1
Date : 11/07/22
Ref. : 100042
6.4. Key Operation
Figure 13: TDU Keypad
1
Mode key
2
Enter key
3
Data Valid LED, green
4
Alarm LED, red
5
Up/Down keys
6
32 character Back lit LCD screen
Mode Key:
Each mode is accessed sequentially by each push of the MODE key.
illustrates the display and keys of the TDU. After a mode has been selected, the ARROW keys will select the
various options within that mode. The ENTER key will input the displayed value and may step the cursor to the
next option, if this is applicable.
Pressing the MODE key will either take the instrument to the next mode of operation, or back to the operating
mode if pressed from within a mode.
Arrow Keys
: Pressing the ARROW keys will do one of two things depending on the position in the program:
-
it will increase
or decrease
the displayed value. If the key is held down it will scroll
quickly to the desired value.
-
it will step through the available options within a mode or sub mode.
Enter Key:
Pressing the ENTER key will do one of two things depending on the position in the program :
-
it will input the displayed parameter value, or
-
it will select the displayed mode or option from within a mode or sub-mode.
Allow time for the instrument to respond to a key instruction, otherwise a double key entry may
be recorded
.
6
5
4
1
2
3
Summary of Contents for CODEL TunnelTech205
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