Checking Auxiliary Alert Feature - Motorola T5ZX1 Installation Manual

Cellular mobile and attache accessory

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Installation Manual

Step 1 Place a call from the mobile and confirm

proper operation. Use both the handset and

the optional hands-free during this call if the

phone is so equipped.

Step 2 Have a call placed to the mobile and confirm

proper operation. Use both the handset and

the optional hands-free during this call if the

phone is so equipped.

Step 3 If you experience difficulty placing and

receiving calls, check the voltage standing

wave ratio (VSWR) using the following

method. Measure the power output of the

radio with the radio connected to the vehicle

antenna through a directional watt meter.

Measure the forward power and reflected

power with the watt meter and compute the

VSWR as follows:

The VSWR should be less than 2:1. If the

VSWR is greater than 2, check the antenna

and its cable connector.

Checking Auxiliary Alert Feature

Step 1 Prepare the unit to receive test calls by

enabling the auxiliary alert feature, in

accordance with the procedures provided in

the User Manual. Place a test call to the

mobile.

voltage standing wave ratio =

where R = reflected power

forward power

1+R

1 - R

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