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4.1.22 Set key backlit mode
52, 0#, Normal-off mode for key backlit.
52, 1#, default value, Normal-on mode for key backlit.
52, (2-99) #, Automatic mode for key backlit, the keypad will revert to micro lighting over 2 to 99 seconds.
4.1.23 Adjust brightness of key backlit
53, 1, 1, ... , decrease brightness
53, 2, 2, ... , increase brightness
Note: The brightness of the key backlight can be adjusted to 21 levels. Each time you press the 1 key, the keypad back
lighting decreases 1 level of brightness, pressing and holding the 1 key automatically decrease the brightness, when it has
been adjusted to a minimum brightness, the keypad "beep" two times, each time you press the 2 key, increase 1 level of
brightness, press and hold the 2 key shall automatically increase the brightness, when it has been adjusted to the maximum
brightness it will "beep" two times.
4.1.24 Set buzzer mode
54, 0#, disable buzzer.
54, 1#, default value, enable buzzer.
Note: Enable or disable buzzer is only for normal user operation, such as the sound of opening door by PINs or read cards.
When you press the * key for 2 seconds, the buzzer is forced to enable, such as entering the management menu or change
the user PIN state. In addition, the alarm tone is not controlled by this setting, and the buzzer can still send an alarm tone
when the buzzer disabled.
4.1.25 Adjust key volume
55, 1, 1, ... , decrease volume.
55, 2, 2, ... , increase volume.
Note: The key volume can be adjusted to 15 levels. Each time you press the 1 key, decreases 1 level of volume, pressing and
holding the 1 key shall automatically decrease the volume, when it has been adjusted to a minimum volume, it will "beep"
two times, each time you press the 2 key, increase 1 level of volume, press and hold the 2 key shall automatically increase
the volume, when it has been adjusted to the maximum volume, it will "beep" two times.
4.1.26 Set the # key be used as a doorbell key
56 0#, default value, the # key can't be used as doorbell key.
56, 1#, the # key can be used as doorbell key
Note: When the # key is used as doorbell key, if the # key must be the first key, then it is doorbell, If the # key is pressed
after the digital key, then it is a confirmation function.
4.1.27 Set doorbell key mode
0#, default value, the doorbell key is invalid.
57, 1#, the doorbell key is valid, but without volume.
57, 2#, the doorbell key is valid, with "ding dong" tone
Note: If the alarm wire is set to door bell function [Refer to 4.1.18], pressing the # key shall provide positive voltage to the
gray wire with a limit of less than 1 Amp.
CV-550 SPK V3 REFERENCE MANUAL
I NSTAL LATIO N INST RUCT IO NS
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