H. Interphone Handsets **ON A/C 001-049, 101-105,
(Ref. Fig. 036) **ON A/C 051-099,
(Ref. Fig. 036A) **ON A/C 151-199,
(Ref. Fig. 036B) **ON A/C 201-210,
(Ref. Fig. 036C) **ON A/C 211-299,
(Ref. Fig. 036D) **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
(1) Description
(a) General Each attendant station is equipped with a handset 330RH for PA and interphone dialling and communication. The flight compartment is equipped with a handset 130RH for PA use only. Handset 330RH rests in a cradle 332RH, and handset 130RH in a cradle 132RH.
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Cabin Handset Figure 036
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Cabin Handset
Figure 036A
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Cabin Handset
Figure 036B
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Cabin Handset
Figure 036C
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Cabin Handset
Figure 036D
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**ON A/C 001-049, 051-099, 101-105, 201-299,
(b) Function The handsets and cradles provide these functions:
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the hook-off sensing,
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the Press-To-Talk (PTT) switching,
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the PA announcements,
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the single-key call-activation via integral keypad,
-telephone conversation (cabin handset 330RH only).
**ON A/C 151-199,
(b) Function The handsets and cradles provide these functions:
-
the hook-off sensing,
-
the Press-To-Talk (PTT) switching,
-
the PA announcements,
-
the single-and double key call-activation via integral keypad,
-telephone conversation (cabin handset 330RH only).
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
(c) Architecture
Both handset types contain:
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the microphone unit which includes a pre-amplifier,
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the earphone,
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the push-to-talk switch,
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the handset support bracket including a permanent magnet. The cabin handset 330RH also contains:
-
a keyboard with 12 touch keys,
-
a tone dialling interface circuit.
**ON A/C 001-049, 101-105,
(d) Cabin Handset Keyboard The handset has 9 keys arranged on a 3 x 3 matrix, the keys are used for:
-Emergency call: push the EMER CALL pushbutton switch
-Flight compartment call: push the CPT pushbutton switch
-All attnd call: push the ALL ATTND pushbutton switch
-FWD attnd call: push the FWD ATTND pushbutton switch
-
AFT LH attnd call: push the AFT L ATTND pushbutton switch
-
AFT RH attnd call: push the AFT R ATTND pushbutton switch
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-PA ALL: push PA ALL pushbutton switch
-Service Int: push the SVCE pushbutton switch
-Clear handset operation: push RESET.
**ON A/C 051-099,
(d) Cabin Handset Keyboard The handset has 12 keys arranged on a 3 x 4 matrix, the keys are used for:
-Emergency call: push the EMER CALL pushbutton switch
-Flight compartment call: push the CPT pushbutton switch
-All attnd call: push the ALL ATTND pushbutton switch
-FWD attnd call: push the FWD ATTND pushbutton switch
-
AFT LH attnd call: push the AFT L ATTND pushbutton switch
-
AFT RH attnd call: push the AFT R ATTND pushbutton switch
-
PA ALL: push PA ALL pushbutton switch
-
PA FWD: push PA FWD pushbutton switch
-Clear handset operation: push RESET.
**ON A/C 151-199,
(d) Cabin Handset Keyboard The handset has 12 keys arranged on a 3 x 4 matrix, the keys are used for:
-Cockpit call: push the CAPT pushbutton switch
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