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Manual Revision History
REV A 2017-06-09 RELEASE
NOTE：
1. Great Group Medical Co., Ltd. has a policy of continued product improvement and reserve the right to
change specifications without notice.
Revision History
VH/2600/VH-2600A humidifier. firmware and hardware version of the record as shown in the table.
Operation of the machine should pay attention to the use of version, the version of the operation may be
different.
VH-2600
PCB Version Data Serial number DESCRIOPTION
P:BC23024F12210
D:BC31013A12210
YY MMPXXX
YY MMDXXX
P:2014/03
D:2012/11
GGCVV CC YY MM XXX
New issue
VH-2600A
PCB Version Data Serial number DESCRIOPTION
P:BC23024F12210
D:BC31013A12210
YY MMPXXX
YY MMDXXX
P:2014/03
D:2012/11
GGDVV CC YY MM XXX
New issue
Description: YY：Year；MM：Month；XXX：serial number；VV：voltage；CC：country。
VH-2600
Version DESCRIOPTION Date
V2.00 New issue 2010/11
V2.10 Added Heater Wire low impedance detection. 2011/01
V2.22 Added RS-232 debug function. 2011/06
V2.24
Revise Airway temp Low Alarm of the mute time from 3
to 10 minutes.
2011/09
VH-2600A
Version DESCRIOPTION Date
V1.00 New issue 2012/04
V1.01 Chamber temp setting range 36~40 change to 34~40 2012/09
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