Before installing the D1256 or D1257, you should be familiar with the Operation and Installation Guide and Program Entry Guide for the control panel you are using. When using the D1256 or D1257 with the D9112B1 Control Panel, the firmware must be Revision 2.1 or higher.
3.2.2 Audible Tones Both the D1256 and D1257 have a built-in speaker that produces several distinct warning tones. The speaker volume can be changed by adjusting the potentiometer (see Figure 1). Turn the potentiometer clockwise to increase and counterclockwise to decrease the volume. You cannot connect external annunciation devices to the annunciators.
[TROUBLE SILENCE] key on the D1256. 3.2.3 Switch Settings A 6-position switch located under the D1256 and D1257 cover allows you to select the address of each annunciator and silence the keypad encoding tones (see Figure 1). To access the switches: Remove the front cover.
Installation Installation Mounting the D1256 and D1257 The D1256 and D1257 are low profile, surface-mounted units molded in durable red plastic. They can be mounted using the following optional packages: • D56 Command Center Keypad Conduit Box (protected surface or flush mount) •...
Key Stroke: [1][2][5][6][0][0][E]. This custom function is programmed as the first Menu item. It is executed when the [ALARM SILENCE] key is pressed on the D1256. The key stroke entry of 125600E is seen by the control panel as a valid passcode entry in the area having the authority level to silence a ringing fire bell in the area.
Key Stroke: [A][4][C]. This custom function is programmed as the second item in the Menu and is executed whenever the [TROUBLE SILENCE] key is pressed on the D1256. This entry is equivalent to the execution of a [COMMAND][4] at the D1256.
Bosch Security Systems recommends programming the first ten menu items as indicated in Table 6. The first four menu items must be programmed as indicated in Table 6 for the D1256 to function properly. The first four keys on the D1256 annunciator execute the first four menu items turned on at the command center address.
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Function List for D1256 and D1255 addresses. Remember to enable functions only as appropriate for the command center at the address. As the D1256 does not have numeric keys, it can not be used to access functions requiring a passcode.