CORDLESS HANDSET OPERATION
Cordless handset keypad lock
During standby mode, |
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1. Press and hold # key to lock the keypad. | HANDSET | 1 | ||
2. To release keypad lock, press and hold # | key |
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for 3 seconds. |
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Note: When the keypad is lock, 
key and 
INT
key can be used to answer an external or intercom call.
Registration
Register new handsets on the M5500 base
Before you can use new handsets. You need to 1. Charge the batteries (for 15 hours).
2. Register the handset (to the base unit).
Each handset can register to four base at a time. Each base can register up to 4 handsets.
During standby mode, |
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1. Press | key. |
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2. Press |
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or | key to select “REGISTER” |
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from the display. |
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3. Press | key. The display on the right is shown. | BS ? | |||
4. Press the numeric keys to enter the base number. |
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5. Press | key to confirm. |
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6. Press and hold | key. The base is now in the registration mode. | ||||
7. Press the numeric keys to enter the default PIN (0000). |
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8. Press | key to confirm and return to standby mode. |
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Note: If the base is full and cannot add any more handsets, you will hear a tone. See the next section to remove a handset.
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