Tempco tec-220, Instruction Manual, Page: 7 / 36

3
1–4 Keys and Displays
KEYPAD OPERATION
SCROLL KEY:
This key is used to select a parameter to be
viewed or adjusted.
UP KEY:
This key is used to increase the value of the
selected parameter.
DOWN KEY:
This key is used to decrease the value of the
selected parameter.
RESET KEY: for TEC-920,
for TEC-220
This key is used to:
1. Revert the display to show the process value.
2. Reset the latching alarm, once the alarm condi-
tion is removed.
3. Stop the manual control mode, auto-tuning
mode, and calibration mode.
4. Clear the message of communication error and
auto-tuning error.
5. Restart the dwell timer when the dwell timer has
timed out.
6. Enter the manual control menu when in failure
mode.
ENTER KEY: Press for 5 seconds or longer.
Press for 5 seconds to:
1. Enter setup menu. The display shows .
2. Enter manual control mode — when manual
control mode or is selected.
3. Enter auto-tuning mode — when auto-tuning
mode (for 220) or AT (for 920) is selected.
4. Perform calibration to a selected parameter dur-
ing the calibration procedure.
Press for 6.2 seconds to select calibration mode.
R
Displays program code of the
instrument for 2.5 seconds.
The diagram at left shows
program no. 34, version 16
for the TEC-920.
The program no. is 33 for the
TEC-220.
Figure 1.3
Front Panel Description
Figure 1.4
Display in Initial Stage
Table 1.1 Display Form of Characters