2-3 
6.    <DIRECTION> 
Used for adjusting value, changing lines and pages. 
 
7.  <CLEAR/BACK> 
  Under the setting status, press this key to set the value to "0". 
  Edited value is "0", press this key to return the value to the previous value. 
  Under non-setting status, press this key to return to the previous menu. 
 
8.    <OK> 
Used for entering setting status, confirming input operation and saving value. 
 
9.    <START> 
  After the infusion set is loaded correctly and the infusion parameters are set, 
press this key to start the infusion. 
  In the [Bolus] settings screen, after bolus parameters are set, press this key to 
auto bolus. 
 
10.    <STOP> 
During infusion, press this key to stop infusion. Infusion stops caused by alarms (such 
as Occlusion), press this key to cancel the alarm. 
 
11.    <BOLUS > 
  During infusion, press this key to enter the [Bolus] settings screen. 
  Under non-running status, press this key to to enter the [Purge Air] prompt 
screen. 
 
12.    <AUDIO PAUSED> 
Pauses alarm sound. 
 
13.    <POWER> 
Used for turning power on, entering in standby state and turning off operations. 
 
14.    <MENU> 
  Used for entering [Main Menu] interface. 
  Under operation status, press and hold this key to lock; in locked state, press and 
hold this key to unlock. 
 
15.    Battery indicator light 
  Steady green: The battery is charging (including shutdown). 
  Flashing: The pump is running on battery power. 
  Off: There is no battery or the battery is not working.