Riken Keiki GD-3EC, Technical Manual

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7. Maintenance 7-2 Maintenance mode
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7-2 Maintenance mode
Switching to maintenance mode lets you perform various tests, zero calibration, and span adjustment and
configure various settings.
7-2-1 Maintenance mode setting items
Item No. Setting item LED display Details
2-0 Test mode Performs the gas test, alarm test,
fault test, LED test, and RAM test.
(Refer to ‘7-3 Performing tests (test
mode)’.)
2-1 Zero calibration Performs zero calibration.
(Refer to ‘7-4-2 Performing zero
calibration’.)
2-2 Span adjustment Performs span adjustment.
(Refer to ‘7-4-3 Performing span
adjustment’.)
2-3 Display This is not normally used by the
user.
2-4 Environmental settings 1 Configures settings such as alarm
setpoints, alarm pattern, fault alarm
pattern, zero suppression value, and
the date and time.
(Refer to ‘7-5 Setting environmental
settings 1’.)
2-5 Environmental settings 2 This is not normally used by the
user.
2-6 Environmental settings 3 Configures settings such as used
contact settings and various external
outputs.
(Refer to ‘7-6 Setting environmental
settings 3’.)
2-7 Communication settings This is not normally used by the
user.