ROUTINE OPERATION
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8. SYSTEM FUNCTIONAL CHECK
The EOS|HD can be operated in Hands-Free (HF), Auto-Hands-Free (AHF), B-channel Hands-Free
(BHF) or Push-To-Talk (PTT) modes.
A Full-duplex system supports HF, AHF, BHF and PTT operation. In HF, AHF and BHF operation,
communication can be transmitted and received at the same time, as in a normal telephone
conversation.
In the AHF mode, transmission and reception are activated automatically when a customer drives into
the drive-thru lane.
In the HF mode, transmission and reception are activated by touching and releasing the A1 or A2
button on the headset.
In the PTT mode, the A1 or A2 button must be pressed and held while the operator is talking to the
customer. A Half-duplex system should only use the PTT mode, and the customer’s voice will not be
heard while the operator is pressing the A1 or A2 button.
In single lane operations, when a customer arrives in the drive-thru lane, you will hear a single beep in
the headset.
In dual-lane operations, when a customer arrives in a drive-thru lane, you will hear one beep in the
headset for Lane 1 and two beeps for Lane 2.
In dual-lane operation, if you are communicating with a customer in one lane when another customer
arrives in the other lane, you will hear one beep in the headset for Lane 1 and two beeps for Lane
2. When the customer leaves the speaker post in the lane you are connected to, the same beep will
repeat in the headset every four seconds until you touch the A1 or A2 button to communicate with the
customer in the other lane.
Note: In dual-lane operations, if you have a Mode Switch and it is set to “DEDICATED,” you
will only hear beeps in the headset when a customer arrives in the lane you are operating.
See Section 1.1, pg. 1, for more information regarding Full Duplex and Half Duplex.
8.1 Changing Headset Languages
To change the language of the cues heard in the headset, from English to Spanish/French and back
to English, with the headset power off, press and hold the volume-down V button and the A1 button
while you press the Power button. The language of the cues heard in the headset will change when
the power goes on. The headset will remember this setting.
8.2 Obtaining Headset Status
To obtain headset status, with its power off, press and hold the volume-down V button and the A2
button while you press the power button. You will hear the status message in the headset earpiece
when the power goes on.
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