3-10 
 
Key Volume 
When you press the navigation knob or the touchscreen, or the hardkeys on the panel, the 
patient monitor prompts you by making a sound of the key volume you have set. 
 
1. Select the [Volume Setup] QuickKey, or [Main Menu][Screen Setup >>]. 
2. Select [Key Volume] and then select the appropriate volume. 0 means off, and 10 the 
maximum volume. 
 
QRS Volume 
The QRS tone is derived from either the HR or PR, depending on which is currently selected 
as the alarm source in [ECG Setup] or [SpO2 Setup]. When monitoring SpO
2
, there is a 
variable pitch tone which changes as the patient’s saturation level changes. The pitch of the 
tone rises as the saturation level increases and falls as the saturation level decreases. The 
volume of this tone is user adjustable. 
 
1. Select the [Volume Setup] QuickKey, or the ECG parameter window[Others >>], or 
the SpO
2
 parameter window. 
2. Select [QRS Volume] or [Beat Vol] and then select the appropriate volume. 0 means 
off, and 10 the maximum volume. 
 
 
3.10 Setting Parameters 
3.10.1 Switching the Parameters On/Off 
To switch the parameters on or off,   
1. Select [Main Menu]ė[Maintenance >>]ė[User Maintenance >>]ėenter the 
required passwordė[Others]. 
2. Configure the [Para Switch Authority] to [Unprotected] or [Protected].  
  If [Para Switch Authority] is configured to [Unprotected], select[Main Menu]ė
[Screen Setup>>]ė[Screen Layout >>]ė[Parameters Switch] to switch the 
parameters on or off.   
  If [Para Switch Authority] is configured to [Protected], the parameter switch is 
password protected. To switch the parameters on or off, select [Main Menu]ė
[Maintenance >>]ė[User Maintenance >>]ėenter the required passwordė
[Others >>]ė[Parameters Switch Setup >>].