Audiovox GMRGPS User Manual download pdf (Page 44)

EXPLANATION OF HOT KEY MENU USE

The HOT KEY menu provides an easy and fast method of accessing and enabling the primary radio

functions when operating in the GPS + RADIO and RADIO ONLY modes.

Priority Channel Selection

In order to communicate with other GMRS units, both transmitting and receiving party must be on

the same frequency.

The radio function of the GMR-GPS has 15 channels (frequencies 1-15) as indicated on the HOT

Key page to the right of the CH item, and also on the standby page. Channels 1 through 7 are the

same frequency as FRS channels 1 through 7. Communication with Audiovox FRS and compatible

units is possible on these seven channels. Before transmitting on the selected channel, press the

MON button to check the activity on that channel. If there is activity on the selected channel,

change to another channel that is clear.

Change the channel as indicated in steps 1 through 3 on the previous page. The primary channel

number will appear on the Standby page.

CTCSS Mode (Sub-Channel) Selection

Coded Tone Controlled Squelch System (CTCSS) with 38 Sub-Frequencies. This feature allows you

to utilize the coded squelch tones (01–38) within a main channel. You can then communicate with

another party on the same main channel using the same subcode. (This filters out unwanted

transmissions without the same coded squelch tone). One of 38 different CTCSS subcodes may

be selected for each of the 15 channels.

To change the CTCSS Sub-channel:

- From GPS + RADIO or RADIO ONLY standby mode, press the Enter switch to access the

HOT KEY screen; the channel number to the right of the CODE item will be highlighted.

- Press the Up/Down wheel key in the down direction to highlight the subcode to the right of

the CODE item; then press Enter. A menu appears with the current subcode

highlighted, if one has been entered previously (or 00)

- Then press the Up/Down wheel key switch to select the desired subcode for use.

- Press Enter to confirm the subcode in memory. The subcode will appear on the standby

Page with the main channel frequency number.

IMPORTANT: To communicate with other GMRS units, they must be switched to the same

channel and CTCSS subcode. To communicate with other GMRS units that do not

have subcodes, switch your unit to the same channel with the subcode set to 00.

The CTCSS subcodes do not prevent others from hearing your transmission. This

will only allow you to ignore all traffic on a given channel not using the same subcode.

All Channel Scan Operation

This feature allows you to monitor all channels automatically for valid signals. While scanning, you

can transmit and receive. When a signal is received, the scan is interrupted and will return to scan

mode 5 seconds after reception is terminated.

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Audiovox GMRGPS User Manual Page 44