Nautilus DigAlert 350 User Manual

Black / Tip / +Ve

Green / Earth

Red / Ring / -Ve

LOW BATTERY

INSTALLING or REPLACING THE BATTERY

A redLEDatthecentreof the keypadstarts to flash RED when the battery needs replacing. Also, at each mode change of the

, a low battery tone will be heard. Once the low battery LED is on, will keep on working to its specification for a couple of hours, but

Remove the three hatch cover screws as shown below. Unclip the battery and replace it witha 9V alkalinebattery. Make the change within one minute if you want to retain your memory contents.

Disconnect from the line and press Monitor button to extinguish the Green (Mode) LED.

Replace thehatch cover ensuringthatthe line cord iscorrectlyrouted. Tighten the screws firmly but do not use excessive force.

DigAlert

350

DigAlert 350

DigAlert

350

you are advised to

replace thebatteryas soon aspossible

It is very important to ensure that

is off when replacing a battery (No

LED lit).

If you do not do this, when the new battery is fitted,the test-telephone may notrestart correctly.mTo cure it, disconnect the battery

for at least 2 minutes and short the terminals together for a few seconds (when battery not fitted).

Care and repair

Field repair

Line-cord changing

Line-cord storage

Impact

Field repairsarelimited to replacinglinecords (with approved types), replacing belt clips, and replacing batteries. Attempting any repair beyond this at field level is liable to damage the instrument and will invalidatethe manufacturers warranty.

Remove the three hatch cover screws. Replace the cord by loosening the terminal screws. Connect a new,standard cord as per the diagram. Tighten the screws firmly but do not use excessive force. Make sure the battery cover locates properly before securing itwiththe 3 screws.

Wrap the line cord loosely around the handle or preferably makeafew loopsandpass them through thebeltclip.

is highly impact resistant. Even

if dropped from a great height onto concrete

should survive without permanent damage. In the event that the gasket seal should bulge out on impact it is usually possible to gently ease it back into position with a blunt tool. Do not attempt to open thecaseto make arepairnor shouldany force be used or the gasket may split. If a simple local fix is not possible it should be returned forrepair.

As a result of impact the surface may be scuffed or gouged. Small scuffs may be removed with fine grit abrasive paper. Any sharp burrs resulting from impact may be cut off with asharpknife. Do notcut into the body or thiswillbreak the watersealing. Please note that the waterproof seal integrity can bedamaged by a highimpact. If in doubt, please have your unit checked. Use of the unit while the seals are damaged may invalidate thewarranty.

DigAlert 350

Do not open thecase.

D350 User Guide part n° 1201-03-2571 issue 2, 10/01, Sheet 1.

Warranty

Warranty covers all defects of manufacture and materials. Chesilvale Electronics agrees to remedy warranty defects freeofcharge provided that: the product is returned pre-paid to the supplier, it isadequatelypacked and labeled, all parts are returned and warranty seals (if fitted) arenotbroken. Warranty does not cover: normal wear and tear, accidental damage, misuse, abuse or neglect and is voided by any unapproved modification.

USER GUIDE

Loud Speaker Test Telephone

range

DigAlert 350

™

Tempo Europe Ltd.

Unit 3,

Maesglas Industrial Estate,

Newport,

NP20 2NN

U.K.

(4+44 (0) 1633-223 552

+44 (0) 1633-223 948

Contact@cve.co.uk

www.tempo.textron.com



Red: Talk Mode. Green: Monitor mode.

Red lead polarity: Green = B(-Ve).

= A (+Ve).Red

PULSE

FLASH VOL

MEMLNR/PAUSE STO POL

SPKR

TONE

TALK

MONITOR

MUTE

DIALLING

PULSE Dialing

Mixed Pulse and Tonedialling

Storing a number in memory

STO MEM

Dialling a number from a memory location.

LNR/PAUSE: Last Number

Redial and Pause

DTMF/TONE is the default dialling mode.

With the DigAlert™ connected to a live line, press before selecting

mode. This is confirmed by a single high beep. Dialling mode will automatically revert to Tone when theline is disconnected orif the

is switchedoff.

Select Pulse mode as above and dial the Pulse digits. Press (Tone) then dial the

Tone digits(the starwillnot bedialledout). This canbestored in memory.

There are ten memory locations, one under each ofthedialling digits.

While connected to a line and in mode:

Press on the keypad. Enter the telephone number.

Press . Press the storage button location 0-9. The number is stored under the button

chosen. ln memory you may also store ,#,

or . These will be

redialled astheywere entered.

While connected to a line and in TALK mode:

Press the locationdigit0-9. The stored number under that button will be redialled.

Press immediately after off-hook to redialthepreviousnumber dialled.

During dialling,ifyoupress the Pause function operates. This inserts a 4 second pause in the dialling out string. Dialling resumesatthe end ofthepause.

PULSE Talk

TALK

STO

MEM

Flash Pause

MEM then

LNR/PAUSE

DigAlert 350

fFLASH

POL: POLARITY TEST

SPKR: SPEAKER MODE

Ground-startlines

ELR: Earth Loop Recall

FLASH

POL

RED GREEN

SPKR

VOL

On units fitted with optional third wire (item M0023/15):

A timed line break is generated when the

button ispressed.

Press and observe the polarity LED.

LED: redleadis connected toA (+Ve).

LED: red lead is connected to B(Ve). During this test, remains high impedance and will not interfere with data or speech calls.

Press to activate the speaker function. If is pressed while

is off, then Loud-speaker

Monitor isautomaticallyactivated.

Press and release to select the high setting, press again to return to the normal setting. In TALK mode, receive only is possible while in speakermode. After disconnection from the line for more than 1.5 minutes, automatically switches offandthe time-outtoneis heard.

connect green wire to

ground, press TALK momentarily and check for dial tone. Ground start is then automatic and the green wire can be left connected to ground, without affecting the call.

while in TALK mode on a

looped lineandwith the greenwiretoground, press PULSE momentarily and check

for seconddialtone.

DigAlert 350

Volumeadjustment:

TALKMODE

MONITOR MODE

MUTE

Press to gooff-hook. A double beep is heard and the mode LED flashes .

Press to go back on-hook. The mode LEDthen flashes .

: if is connected

to an overvoltage or a digital signal, then

does not loop the line and

sounds analarm.

Connect to theline. Press and release to go off-hook. Thanks to , there are four different

cases: 1\Adigital signal is present: is heard, locks out anddoes not loop the line. To override this alarm, hold

down the key. 2\ A high DC level is present (>116V±4V):

is heard, locks out and does not loop the line. This alarm maynotbe overridden. 3\ A dc level between 76V(±4V) and 116V(±4V) is present: is heard, the mode LED flashes

, locks out and does not

loop the line. To override this alarm, press

again. 4\ No alarm (i.e. no digital signal nor high DC present): goes off-hook and loops theline.

Press . The mode LED flashes

. Press again to switch off . In order to extend its battery life, Monitor is automatically switched off after 20 minutes, if connected to a powered line, and 1.5 minute after disconnection.An audible signalisheard on timingout.

Press and release to cut off transmission. Press againtotalk.

TALK

RED

MONITOR

GREEN

TALK

a twotonealarm

TALK

single tone alarm

a single tone alarm

RED and

GREEN

TALK

Digitalsignaldetection OVERRIDE

MONITOR

GREEN MONITOR

MUTE

PLEASE NOTE

DigAlert 350

AUTOMATIC PROTECTION OF DIGITALLINES:

When connected to normal DC, it is possible to override the digital detection lock-out by pressing

and holding for more than 6 seconds and until the override toneshave stopped. This can be particularly useful on a faulty line being highly imbalanced.

tTALK

(high Z).

DigAlert

Replace

Battery

Nautilus DigAlert 350 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual