Lindy Switch User Manual download pdf (Page 56)

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Advanced unit conﬁguration

Click this button to display advanced options that do not normally require alteration.

Mouse Latency Allowance

This option is used during calibration to account for latency delays (caused

as signals pass through a device) introduced by some KVM switches from

alternative manufacturers.

During calibration, the LINDY KVM IP waits for 40ms after each mouse

movement before sampling the next. If a KVM device adds a signiﬁcant delay to

the ﬂow of data, the calibration process can be lengthened or may fail entirely. The

value entered here is added to (or subtracted from) the default 40ms sampling time.

Note: You can enter negative values (down to -40) in order to speed up the

calibration process when using fast KVM switches. Use this option with caution

as it can adversely affect the calibration process.

Mouse Rate

Deﬁnes the rate at which mouse movement data are transmitted to the system.

The default option is 20ms, which equates to 50 mouse events per second.

This default rate can prove too fast when passed through certain connected

KVM switches from alternative manufacturers. In such cases, data are discarded

causing the local and remote mouse pointers to drift apart. If this effect is

encountered, increase the mouse rate to around 30ms (data are then sent at a

slower rate of 33 times per second).

Background Refresh Rate

Use the arrow keys to alter the refresh rate for screen images via remote links. This

allows you to tailor the screen refresh to suit the network or modem connection

speeds. The options are: Slow, Medium, Fast or Disabled. When the disabled

option is selected, the remote users will need to manually refresh the screen.

Note: When a low connection speed is detected, the background refresh is

automatically disabled, regardless of the settings of this option.

Single Mouse Mode Mouse Switch

Allows you to select the mouse button combination that can be used to exit from

single mouse mode (when active). Options are: Disabled, Middle+Right Button,

Middle+Left Button.

Behaviour for admin connections when limit reached

Determines what should occur when four global connections already exist and

a ﬁfth, administrator connection attempt is made. Options are: Replace oldest

connection, Replace newest connection and Don’t replace. Only non-administrator

connections can be terminated in this way.

Use VESA GTF

When ticked, the VESA Generalized Timing Formula will be used to help

determine the correct input video resolution and timing details. See Appendix 9

for a list of all supported video modes.

Upgrade ﬁrmware

Places the unit into upgrade mode.

To get here

1 Using VNC viewer or a browser, log on as the ‘admin’ user.

2 Click the ‘Conﬁgure’ button in the top right corner.

3 Click the ‘Unit Conﬁguration’ option.

4 Click the ‘Advanced Unit Conﬁguration’ option.

Force VNC Protocol 3.3

IMPORTANT: The use of this option is not recommended. Protocol 3.3 is a legacy

version that does not offer any encryption.

Idle Timeout

Determines the period of inactivity on a remote connection before the user is logged

out. The idle timeout period can be set to any time span, expressed in minutes.

Note: The Screensaver option serves a similar purpose for local connections.

Protocol Timeout

Sets the time period by which responses should have been received to outgoing

data packets. If the stated period is exceeded, then a connection is considered

lost and terminated.

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Lindy Switch User Manual Page 56

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