Enable Secure On Desired

To actually use the secure option, Secure must be enabled on the

Channels

channels for which it is desired. A channel can be strapped to secure-

 

only, or clear-only, or secure/clear-selectable.

 

For conventional channels, proceed as follows: Press F4 at the Main

 

Menu to see the CHANGE/CREATE/VIEW menu. Press F6 to see

 

Conventional Systems, Personalities, MDC, Options. Press F3 to see

 

Conventional Personalities, Options. Press F6 to see the SECURE

 

OPTIONS screen. Press Tab to select the Secure/Clear Strapping field.

 

For trunking channels, proceed as follows: Press F4 at the Main Menu

 

to see the CHANGE/CREATE/VIEW menu. Press F4 to see Trunking

 

Systems, Personalities, Call Lists, Options screen. Press F4 to see

 

Trunking Personalities: Talk Groups, Emergency Options, etc. Press Tab

 

to select the Strapping field. An Announcement Group must be

 

specified for the Strapping parameter to appear. This selects the

 

Announcement Group Strapping. Press F7 to select Talk Groups. Press

 

Tab to select the strapping of each Talk Group.

Other Secure Options

There are other secure options that can be changed on a per-channel

 

basis, such as: Proper Code Detection, Transmit XL, or CFB. For

 

conventional channels, these options are found on the same screen as

 

Secure/Clear Strapping (F4/F6/F3/F6). These options are XL Transmit,

 

Scan Holdoff Strapping, RX Modulation, and Proper Code Detect. For

 

trunking channels, the only selectable option is Proper Code Detect.

 

This can be found by going to the MORE OPTIONS screen (F9) from

 

the screen that was used to select secure/clear Strapping for trunking

 

channels.

Secure Retrofit Tuning

After installing a secure-retrofit board into a radio, the secure TX

 

deviation and the secure RX discriminator level must be tuned. Follow

 

the procedure outlined in Section 9 “Secure Alignment Procedure”

 

in this publication for the tuning of these two secure-related

 

alignments.

 

The TX deviation balance (compensation) does not need to be

 

performed as part of the secure retrofit procedure. Use the transmit

 

deviation balance (compensation) procedure as outlined in this

 

appendix, only when a complete radio alignment is being performed

 

with a secure board installed.

Secure Alignment

Procedure

General

For optimum radio performance, the secure transmit deviation and

 

the receive discriminator level must be set. Refer to Section 5, “Radio

 

Alignment Procedure”, for a description of the radio alignment test

 

setup, an RSS service menu overview, and for general radio tuning

 

procedures. All normal radio tuning should be performed in the

 

proper sequence before proceeding with secure tuning.

 

Note that the transmit deviation balance (compensation) tuning must

 

be performed differently if a secure board is installed in the radio.

 

Follow the procedure changes outlined below when tuning transmit

 

deviation balance, and complete the normal tuning. Then proceed

Appendix A- 6

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Motorola HT 1000 service manual Secure Alignment Procedure, Enable Secure On Desired, Channels, Other Secure Options