Njoy Ranger 30KR User Manual page 58

2) When setting up the battery parameter, please confirm that the UPS
state is in bypass mode or standby mode.
3) Click "Refresh", "USB..." and "2400" will appear at the appropriate
location.
4) Enter the command"^S006SOP31" to set the UPS to 31 model. UPS
will return "^D006ACK" when it accepts. If you want to set the UPS to 33
model, the command is "^S006SOP33".
NOTE!: This parameter setting is not effected immediately. The setting
will be saved only when UPS shut down normally with battery connected.
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