GENERAL DESCRIPTION

The Zetron Model 284 Multi-line Tone Remote is a four-line, multifunction, EIA compatible, tone remote radio controller for multiple base station control. It features an available built-in paging encoder for selective calling of tone-only pagers, tone+voice pagers and mobiles. Selective calling supports 2-tone,
5-tone, DTMF, 2805/1500 pulse, stack page, and a 50 user page-by-name database. A PTT handset, built-in microphone and speaker are included. Line select keys include VOX, Transmit, and Select indicators. Audio from the unselected lines is summed at a user adjustable level. For applications with less than 4 lines, unselect audio may be routed to an external amplified speaker.

The unit is fully configurable via PC by the dealer. It includes nine programmable keys that may be assigned selected functions. The available selections include; Single frequency select (F1-F8), Double frequency select (F1/F2), Coded/Clear, Intercom, Privacy, Repeat on/off, Rx2 Mute on/off, PL1, PL2, PL3, PL4, Wild I, Wild II, Supervisor takeover, Mute, Unselect mute, 5- beep alert, High/lo alert, Siren alert, Fast siren alert, Steady alert, Off-Hook Speaker Mute, Hook Disable, Call Decoder Mute, Monitor, and Transmit.

BASE STATION CONTROL

• Tone remote control of up to four base stations
• Up to 8 frequency control (F1-F8) plus monitor and other functions
• Audio from each unselected line is summed at an adjustable level
• Separate unselect audio may be routed to an external powered speaker when using 3 or less base stations
• 2-wire line interface for up to four base stations 4-wire line interface Supervisor control output
•  4-wire line interface
• Supervisor control output

USER INTERFACE

• Compact desktop or wall mount unit
• Up to 82 text aliases eliminate operator confusion and simplify training. Each frequency of every line, as well as 50 pagers, may be assigned an alphanumeric name to allow positive confirmation of selection.
• Nine PC programmable keys allow the installer to tailor the unit to the application
• 12/24 hour battery backed clock
• VU meter shows transmit and receive audio levels
• Line select/unselect keys for each base station with LED indicators
• VOX indicators show audio activity for each base station
• Unselect line volume is adjustable per base station
• Unselect mute allows operator to disable nonessential audio
• Handset hookswitch may send function tones when lifted or hung up
• Available functions include:

PARALLEL OPERATION

Sets the industry standard for parallel remote capacity Parallel status feature enables each remote to display the actual radio mode for all base stations Line operated transmit light (LOTL) shows actual transmit status of each base station Audio may be muted during parallel transmit for selected units to prevent acoustic feedback Intercom capability between remotes �Privacy� mode may be engaged to mute and lockout other Zetron Model 280 or 284 remotes for sensitive conversations Call Decoder feature allows calls to be routed to individual remotes when used in conjunction with a Zetron H.E.A.R. Decoder

HIGH QUALITY AUDIO

Digital audio processing lets the user begin speaking immediately, even while the function TM tones are being sent (InstanTalk circuit) Built-in front panel microphone, and speaker PTT handset included for semiprivate conversations Accessory audio interface port accommodates external desk mic, PTT footswitch, headset, auxiliary transmit audio, and external powered speakers Parallel function tone muting removes annoying chirps from other remotes Automatic audio leveling, 600/6000 ohm transformer coupled two or four wire interface

PAGING ENCODER

Multi-format paging encoder supports Two-tone, DTMF, Five-tone, and Pulse dial selective calling Page-by-name database lets the operator scroll through a list of users to initiate paging Automatic frequency select when paging from database, uses the selected frequency or a specific frequency to prevent missed calls Programmable equalization curves and level per format ensure proper operation on the radio channel Selectable alert tones and talk time per format Stack page for up to 10 lists of 10 pagers expedite selective calling for critical applications

Specifications

GENERAL SPECIFICATIONS