Despatch MIC1162 Hi-limit User Manual

Page 19

SECTION 3: OPERATION

3.1 Power Up Procedure

Verify all electrical connections have been properly made before applying power to the
instrument.

During power up, a self-test procedure is initiated during which all LED segments in the
two front panel displays appear and all LED indicators are ON. When the self-test
procedure is complete, the instrument reverts to normal operation.

Note: When power is first applied, a delay of about 3 seconds will be seen before the
LEDs will light.

3.2 Keypad Operation

RESET KEY
This key is used to:
1. Reset the limit condition after the process is within the limit
2. Acknowledge that the limit has been exceeded
3. Confirm entry in Configuration Mode

SCROLL KEY
This key is used to:
1. Select a parameter to be viewed or adjusted.
2. Display enabled modes of operation.
3. Display a mode parameter value.
4. Advance display from a parameter value to the next parameter code.
5. With the DOWN key to view the current Hardware Definition Code setting.

UP KEY
This key is used to:
1. Increase the displayed parameter value.
2. Increase setpoint.
3. Reset MAX/MIN HOLD and TIME EXCEED.

DOWN KEY
This key is used to:
1. Decrease the displayed parameter value.
2. Decrease setpoint.
3. Reset MAX/MIN HOLD and TIME EXCEED.
4. With the SCROLL key to view the current Hardware Definition Code setting.