Enmet ISA-200-RAL (O) Manual do Utilizador descarregar pdf (Página 15)

ISA 200 RAL (O) ENMET Corporation

5.1.1 Key

Entrance to the maintenance menu is guarded with a four-digit key. The factory default setting of the key is 1270.

When a valid numerical key is inserted, the user is allowed to enter the maintenance menu.

In the "run MAINTENANCE MODE" position

§ Press the SELECT switch; "KEY = 0000" is displayed.

§ In the "KEY = 0000" position, the underline cursor is under the left digit.

§ Press the OPTION switch to change the left digit; select the correct digit.

§ Press the SELECT switch, which locks the correct digit in place and moves the cursor one digit to the right.

Continue this process until the four-digit key is complete. When a valid key is inserted in this manner, the display is

transferred to the "run AUTOMATIC ZEROING" portion of the menu. If an invalid key is inserted, "INVALID" is

displayed briefly; then the ISA-200 RAL(O) returns to the operational display.

Example: Key Display and Flow Chart

KEY = 1270

PPM

KEY=0000

Invalid

From Operational Menu

run MAINTENANCE

MODE

Changes digit indicated by underscore cursor

Locks underscore digit and moves cursor to next digit

To Operational

Display

Valid entry

To Automatic Zeroing

O = Option Switch

S = Select Switch

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