Low Power; Enable/Disable Low Power Mode; Transition Time; Figure 23: Transition Time - Opticon MDI-4000 Series Serial Interface Manual

5.3 Low Power

Low power mode helps to further reduce power consumption when the scan engine is in
standby mode. When the scan engine shifts from standby mode to low power mode, all scan
engine settings are retained.
5.3.1

Enable/Disable Low Power Mode

When you enable low power mode, you can configure the transition time. Transition time is the
amount of time the scan engine remains in standby mode before it changes to low power mode.
The default setting for transition time is 5 seconds.
Low Power Mode Enable/Disable Commands
Command
[XSC
[EB8
5.3.2

Transition Time

The transition time (t
1
time, the scan enters low power mode, and the POWERDWN signal becomes high.
POWERDWN
GR_LEDn
TxD
USB

Figure 23: Transition Time

Low Power Transition Time Commands
Item Command
Low power [EBA
transition time
* When this command is set to 0, the transition time is set to 150 ms.
Example Setting:
To enable "low power mode" and set the transition time so that the scan engine changes to low
power mode from standby mode after 3 seconds, use this command:
<Esc>[EB8[EBAQ0Q0Q0Q3<CR>
Note: You should set this command when you set the Factory Default Settings. For more
"How to Permanently Change the Factory Default Settings" on page
information, see
Description
Disable low power mode
Enable low power mode
) indicates that the scan engine is in "standby mode." After the transition
Data
Qa Qb Qc Qd
MDI-4000 Series Serial Interface Manual
t
1
t
D
Description
Set low power transition time with
numerical values
(1000a+100b+10c+d [s])
Default
✓
Default
5 s
(0 - 9999)
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