Crestron CN-TVAV Specifications download pdf (Page 26)

Programmable TV/AV Controller Crestron CN-TVAV

22 •• Programmable TV/AV Controller: CN-TVAV Operations Guide - DOC. 5722B

Updating the CN-TVAV

Much like a Crestron control system, the CN-TVAV contains an Operating System

and a Monitor ROM. Although both are separate components, they are packaged

together in a single file referred to as a Control System Update File. Control system

update files have the UPZ extension. It is often necessary to update a control system

or CN-TVAV if new features have been implemented (such as support for new

hardware or new language constructs) or if programming "bugs" have been

corrected.

CAUTION: Update files are designed for specific devices. If an update file is

loaded into a device other than for which it was intended, it may lockup the device

that would then have to be returned to Crestron. Update files with a “S” designator

for the ST-CP, “V” designator are for CEN/CN-TVAV, “W” for CNRACKX/-DP,

and “X” for the CNMSX-AV/Pro. These devices are able to recognize and reject

incorrect update files. However when updating, do not ignore any Crestron Viewport

warning prompts or messages.

NOTE: SIMPL Windows version 1.40.07 or later is required to update the UPZ.

When the UPZ is loaded, the program and SIMPL+ modules will be erased so they

must be reloaded after a UPZ is loaded.

The following procedure is recommended to load a new UPZ file into the

CN-TVAV.

1. Establish communications with the CN-TVAV by performing

“Obtaining Communications” on page 18.

2. From the Crestron Viewport, select File Transfer | Update Control

System as shown below.

Accessing the Update Control System Dialog Box

3. The Update Control System dialog box, shown on the next page, offers

the option to enter the path name of a new update file. If the path name

is not known, use the Browse button to navigate to a list of available

update files. When browsing, choose only update files with a UPZ

extension.

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Crestron CN-TVAV Specifications Page 26