ViewSonic VMAC-1 User Manual

VMAC-1

ViewSonic® Macintosh® Adapter

User’s Guide

Quick Start Installation 1With the monitor and computer

turned OFF, open the shielding door of the adapter.

2Make sure all dip switchs are set

to default settings as shown in the illustration to the right. (Resolution = 832 x 624 and Sync Mode = “Separate + Composite”)

3Close the shielding door. 4Connect the male side of the

adapter to the monitor port on the back of the computer.

Tighten the two adapter thumb screws until snug.

DO NOT

OVER-TIGHTEN.

Top View with shielding door open

Female video connector pins

Shielding door

5Connect the video cable to the

female side of the adapter, then connect the other end of the cable to the back of your monitor.

Tighten the thumb screws at both ends of the video cable until snug.

DO NOT OVER-TIGHTEN.

6Turn on the computer and the

monitor. NOTE: To set the adapter to the

highest resolution your Macintosh computer can use, follow the Advanced Settings procedure to the right.

To reach ViewSonic Customer Support call (800) 888-8583 or (909) 444-8800

VMAC-1 Dip Switch Settings

Default Dip Switch Settings

Up position = On (black)

CAUTION: Be careful not to bend the video connector pins.

Male video connector pins

Advanced Settings 1With the monitor and computer

turned OFF, open the shielding door of the adapter.

2Check your monitor’s user guide

for the maximum resolutions the monitor will support and then select the appropriate resolution from the Dip Switch Settings chart (to the left).

NOTE: Your Macintosh computer may not support the maximum resolutions of your monitor.

3Using the tip of a pen, set each

numbered dip switch on the adapter to ON or OFF according to the resolution you selected from the Dip Switch Settings chart.

4Close the shielding door. 5Turn on the computer and the

monitor.