Owner manual

Twisted Pair
Selector
CRM-21 / CRM-21A
CRM-41 / CRM-41A
USER MANUAL
CRM-21 / CRM-41
CRM-21A / CRM-41A
Package Contents-
 1 AVLINK CRM-21 or CRM-41 or CRM-21A or
CRM-41A
 1 user manual
 1 power adapter DC 12V/600mA
If anything is missing, please contact your vendor.
Introduction
Through the twisted pair selector CRM-21/ CRM-41 or
CRM21A/CRM-41A, can connect VGA-Extender or
AV-Extender local unit with CAT.5 cable, CRM-21/CRM41
or CRM-21A/CRM-41A select Video/Audio signal output to
VGA monitor/audio amplifier; provides perfect skew delay
correction.
Features
 Equalization length is adjustable
 VGA signal gain is adjustable
 Max Resolution 1280x1024 60HZ.
 62ns total delay
 2ns delay step increments
 Memorize function
 Button locked function
 Support stereo audio digital transfer (Only
CRM-21A/CRM-41A)
Specifications
Function CRM-21 CRM-41
VGA Out Connector HD-15 Female x 1
RJ-45 In Connector 2 4
Max. Resolution 1280x1024 60Hz
Cable Distance 300 m (Max.)
Power Adapter (Min.) DC 12V 600mA
Housing Aluminum
Weight 318g 330g
Dimensions (LxWxH) 200x86x29mm
Function CRM-21A CRM-41A
VGA Out Connector HD-15 Female x 1
Audio Out Connector
3.5ψ Stereo Jack x 1
RJ-45 In Connector 2 4
Max. Resolution 1280x1024 60Hz
Cable Distance 300 m (Max.)
Power Adapter (Min.) DC 12V 600mA
Housing Aluminum
Weight 320g 332g
Dimensions (LxWxH) 200x86x29mm
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FRONT VIEW
CRM-21/CRM-21A
CRM-41/CRM-41A
1. EQ up/down button: Adjusts the equalization length
while in adjust mode adjust to sharpen weak images.
This will not work in general mode.
2. GAIN up/down button: Adjusts brightness in
adjustment mode. This will not work in general mode.
3. Port 1, 2 button: Selection key for Ports 1 and 2 while
in general mode.
RGB SKEW up/down button: Can only be adjusted
while in adjust mode.
4. Port 3 button: Selection key for Port 3 while in
general mode.
SELECTOR button: Selection key for R, G or B
SKEW while in adjust mode.
*While in CRM-21/21A, this is the selection key for
RGB SKEW in adjust mode. Does not work in
general mode.
5. Port 4 button: Selection key for PORT 4 while in
general mode. Does not work in adjust mode.
*While in CRM-21/21A do not press this key.
6. Lock button: Press Lock key. Locked LED will power
down. Next, enter adjust mode. Press the lock key
once more, and the Locked LED will light up. Then
return to general mode. Your data will be saved after
the adjustment.
7. Power LED
8. Locked LED: Locked LED is off. Enter adjust mode.
Locked LED is on. Return to general mode.
9. Port 1 LED: This is the Port 1 LED while in general
mode. LED blinks when selected.
R LED: While in RGB SKEW selection mode
outputting to R selection mode, the LED will be lit.
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