Hitachi UX2 - 1.2.5. Cautions on Operating Time When Unit Is in Service

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1.3.8 On-line / Off-line Transmission Procedure
1.3.8-1 Text
(1) Change to On-line
ESC2
Header 73H
(2) Change to Off-line
ESC2
Header 74H
● On-line/Off-line transmissions cannot be sent in the following cases, NAK code is returned.
① During input of set values.
② In the "Communication environment setup" screen, "Off fixed" is selected for "State at power-up"
item.
③ During input of count conditions.
④ The confirmation window is open.
⑤ The circulation control screen is opened by the maintenance function.
⑥ The touch screen setup screen is opened by the auxiliary function.
⑦ The communication monitor screen is opened.
1.3.8-2 Example Transmission
ENQ, STX and ETX are not required.