Argent Data Systems ADS-SR1 Panduan Pengguna - Halaman 8

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Operation

When repeater mode is enabled (as it is by default), the ADS-SR1 listens for

activity and automatically starts recording when audio is detected. If the red

light does not come on in response to radio activity, check that the volume level

of the radio is set correctly.

A period of silence (initially set to two seconds) tells the ADS-SR1 that the

transmission is finished, and it then keys the radio and retransmits the message.

Many mobile radios provide a squelch, COR/COS, or 'busy' signal that can be

used with the ADS-SR1's squelch input. This allows the VOX delay to be

eliminated. See the section on the squelch input function for more information.

If no time limit has been set, the repeater will record until its memory is full.

Remember that the voice memory is shared between the current message being

recorded, the previous transmission (if 'say again' mode is enabled) and any

stored voicemail messages and announcements. If the unit runs out of space, it

will wait until the current transmission ends before repeating as much as it was

able to record.

If a time limit is set, the repeater will record only to this limit and will then

immediately transmit what it recorded, even if the sender is still talking. If the

cool-down timer is enabled, the unit will stop repeating until the timer expires.

This helps prevent transmitter overheating, and allows a repeater with a stuck

squelch to be controlled, as it will still respond to commands even while the cool-

down timer is active.

The ADS-SR1 responds to a number of DTMF commands. Normal commands

start with '##'; access to these commands can be restricted through the use of a 3-

digit security code.

A few commands can be used without a security code. Pressing '0' activates the

'say again' function (if enabled) and causes the repeater to retransmit the last

transmission heard, even if hours or days have passed. However, the 'say again'

memory is not retained when the unit is powered off.

The record voicemail command, '1', can also be entered without a security code.

See below for more information on voicemail functions.