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40-Series Manual, Rev. B
5 — PROGRAMMABLE PARAMETERS: Handcontrol Parameters
The three parameters in the Handcontrols menu apply to the 1741 user hand-
control and the 1742 attendant control. Following this menu are four additional
submenus related to these controls: Speed Mode, Joystick, Sound & Display,
and Handcontrol Inhibit.
HANDCONTROLS MENU
PARAMETER RANGE DESCRIPTION
Auto Shutoff 0–60 min The chair will automatically shut down after this period of inactivity.
Setting this parameter to 0 disables the auto shutoff feature.
Key Lock Function 0–2 Determines how a locked system can be powered up. A setting of 0
disables the lock feature.
To lock the system, hold down the On/Off button on either control
for more than two seconds. When the button is released, the system
will power down in a locked condition.
The unlocking procedure depends on the setting of the Key Lock
Function parameter.
If set to 1: During the LCD display’s startup self-test sequence,
press the horn button (user handcontrol) or mode button (attendant
control). The handcontrol’s normal horn sound is replaced with a
small beep during the unlocking procedure. If the procedure is not
done successfully, at the end of the startup sequence only the key
icon will be displayed—indicating the system is still locked. To unlock
the system, power it down and try again.
If set to 2: Manipulate the joystick as follows during the display’s
startup self-test sequence: push the joystick forward until there’s
a beep, then backwards until there’s a beep, and finally to center
until there’s a beep. If you are using the attendant control to unlock
the system, instead of hearing beeps you will see the LEDs flash.
If the procedure is not done successfully, at the end of the startup
sequence only the key icon will be displayed—indicating the system
is still locked. To unlock the system, power it down and try again.
Attendant Takeover 1–2 Controls whether the user handcontrol can power down the system
when the attendant control is on.
When this parameter is set to 1, the attendant control is in
command and the handcontrol cannot power down the system.
When this parameter is set to 2, the user handcontrol can power
down the system even when the attendant control is on.