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7-3
Section
Maintenance of the NT620S/620C
276
Operation
1. Keep the power ON for at least 1 minute and then turn it OFF.
Note
Unless the power is kept ON for at least 1 minute, the memory contents cannot
be retained for more than 5 minutes without a battery.
2. Turn off the power to the NT620S/620C and remove the lid of the CFL case,
located at the upper right part of the rear of the NT620S/620C: remove the
screw with a Philips head screwdriver, then open the CFL case lid.
CFL case lid
Screw securing CFL case lid
3. Pull out the battery together with the connector.
4. Install a new battery.
Insert the battery connector, keeping it straight.
Summary of Contents for NT620C
Page 1: ...Cat No V033 E1 5 Programmable Terminals NT620S 620C OPERATION MANUAL...
Page 2: ...NT620S 620C Programmable Terminals Operation Manual Revised April 2001...
Page 3: ...iv...
Page 5: ...vi...
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