NEC nd-20292 manual Switch Setting SW1, SW2 OFF SW3 SW4

ETI NUMBER: MK-012A

Delav Announcement	# 2
TERMINAL	CABLE
4	Center	terminal	of RCA plug.
5	Ground	side of	RCA plug.
7	To pin	7 of the	First Delay Announcement.
B	B Side of ECRrelay

6.2.1install a 100 ohm $ watt resistor across terminals four and five (in parallel) for reducing voice level (See Figure 1).

6.2.3Plug one en?i of the 8 conductor modular cable into the respective RJ-31X’s that represents the the first and second announcements.

6.2.4Install the ECR-E ETU in an available interface slot in a CCU making sure that the busy switch (SWl) is in the OFF position. After the ECR-E ETU is properly seated in its slot, turn on SWl. (Refer to Chapter 3 of the Electra Mark II Installation Service Manual Mem ‘ory Block 4Cl.)

6.3Installing and programming the AEC 212 Plus Announcer (Refer to Figure 1)

NOTE: Ensure that the 212 Plus power pack is disconnected from the Announcer unit before proceeding.

6.3.1Refer to the AEC 212 owner’s manual and set the internal jumper plugs (1 per channel) for 600

ohms transformer coupled audio output. (These jumpers are internal to the AEC equipment. See Figure 2.)

6.3.2Set the start mode switches on the back of the unit as follows:

SWITCH	SETTING
SW1	ON	(continuous	play)
SW2	OFF
SW3	OFF
SW4	ON	(relay closure	start)

6.3.3Plug the other ends of the 8 conductor modular cable to the Line 1 and Line 2 jacks, for first and second announcements respectively, on the back of the AEC 212 Plus unit.

6.3.4The AEC Model 212 Plus Announcer provides two ports that can be independently recorded. (See Figure 1).

6.3.5Connect the 12-14V power pack into the AEC 212 first, and then into the nearest AC power outlet.

6.3.6Using the built-in microphone, or a carbon type handset, record the desired announcement as indicated in the AEC 212 Plus owner’s manual. For maximum effectiveness, it is recommended that messages be limited to a maximum of 15 seconds followed by a silent period of 2 seconds.

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